关于海豚的英文演讲稿3篇
关于海豚英文作文
关于海豚英文作文英文：Dolphins are truly fascinating creatures. They are highly intelligent and social animals, known for their playful behavior and impressive acrobatics. I have always been captivated by these amazing marine mammals and have had the opportunity to observe them in their natural habitat.One of the most memorable experiences I had with dolphins was during a trip to Hawaii. I went on a dolphin-watching tour and was fortunate enough to see a pod of dolphins swimming and leaping out of the water. It was an incredible sight to behold, and I was amazed by their agility and grace.Another time, I visited a marine park where I had the chance to interact with dolphins up close. I was able to touch and feed the dolphins, and even swim with them. Itwas an unforgettable experience to be in the water with these beautiful creatures, and I was struck by their gentle and friendly nature.In addition to their playful behavior, dolphins are also known for their remarkable communication skills. They use a complex system of clicks, whistles, and body language to communicate with each other. It is truly fascinating to witness their interactions and to see how they work together as a cohesive group.中文：海豚是真正迷人的生物。
海豚英语作文初1
海豚英语作文初1Dolphins are amazing creatures that live in the ocean. They are known for their playful nature and are very intelligent. They belong to the family Delphinidae and are found all over the world, in both warm and cold waters.Dolphins are mammals and breathe air through a blowhole on the top of their heads. They can hold their breath for up to 15 minutes, which helps them to dive deep into the ocean in search of food. Dolphins have a streamlined body shape, which allows them to swim very fast. They can swim up to 60 kilometers per hour!One of the most interesting things about dolphins is their communication skills. They use a variety of sounds, such as clicks, whistles, and body language to communicate with each other. Scientists believe that dolphins are able to understand each other's language and even have their own unique names for each other.Dolphins are also known for their social behavior. They live in groups called pods, which can range in size from a few individuals to hundreds. They are very playful andoften interact with each other by jumping, leaping, and spinning in the water. Dolphins are also very curious and have been known to approach boats and swimmers.In addition to their playful nature, dolphins are also very helpful to humans. They have been used in the military to locate underwater mines and to rescue lost or injured sailors. Dolphins have also been trained to work with disabled children and adults, providing a unique form of therapy known as dolphin-assisted therapy.Unfortunately, dolphins are also facing many threats in the wild. They are often caught in fishing nets or hunted for their meat and oil. Pollution in the ocean is also a major concern, as it can harm dolphins and their habitats.Overall, dolphins are fascinating creatures that are loved by many people around the world. It is important that we work to protect them and their habitats so that future generations can continue to enjoy their playful and intelligent nature.。
来自海豚的自述英语作文
来自海豚的自述英语作文Title: A Dolphin's Tale: Through the Depths of the Ocean。
As a dolphin swimming in the vast expanse of the ocean, my life is a symphony of fluid motion and deep connections with the marine world around me. From the playful leaps above the waves to the serene depths below, every moment is a testament to the beauty and complexity of our underwater realm.From the moment I took my first breath as a newborn calf, the ocean became my home and my playground. Born into a pod of fellow dolphins, I quickly learned the intricate social dynamics that govern our lives. Our pod is atightly-knit community, where cooperation and communication are paramount for survival. We hunt together, play together, and navigate the ever-changing currents of the ocean as one cohesive unit.Communication is central to our existence as dolphins. Through a rich tapestry of clicks, whistles, and body language, we convey a myriad of messages to one another. Whether it's signaling the location of prey, expressing joy during a playful chase, or comforting a distressed member of the pod, our communication skills are finely tuned to the nuances of life beneath the waves.Our intelligence is often remarked upon by humans, and indeed, we possess a remarkable capacity for problem-solving and learning. From devising innovative hunting strategies to navigating complex social interactions, our cognitive abilities are finely honed by the challenges of life in the ocean. Each day presents new opportunities for discovery and growth, whether it's exploring uncharted territories or mastering new skills through playful experimentation.But life in the ocean is not without its challenges. We face threats from human activities such as pollution, overfishing, and habitat destruction. The once-pristine waters that were our sanctuary are now increasinglypolluted with plastic debris, oil spills, and chemical runoff. These pollutants not only harm us directly but also disrupt the delicate balance of marine ecosystems on which we depend for food and shelter.Despite these challenges, we dolphins are resilient creatures, capable of adapting to changing environments and finding creative solutions to overcome adversity. Through cooperation and mutual support within our pod, we navigate the turbulent waters of human-induced change withresilience and determination.As a dolphin, I am keenly aware of the interconnectedness of all life in the ocean. From the tiniest plankton to the mightiest whales, every creature plays a vital role in the intricate web of life that sustains our marine ecosystems. Our fates are intertwined, and it is only through mutual respect and stewardship that we can ensure the health and vitality of our shared home.In conclusion, life as a dolphin is a wondrous journey of exploration, communication, and cooperation. From thedepths of the ocean to the shimmering surface above, we navigate a world of infinite beauty and complexity. Though we face challenges from human activities, our resilience and adaptability ensure that we will continue to thrive in the ever-changing seascape of our ocean home. As ambassadors of the deep, we invite humans to join us in preserving and protecting the precious marine ecosystems that sustain us all.。
八年级下册七单元的保护海豚英语作文
八年级下册七单元的保护海豚英语作文全文共3篇示例，供读者参考篇1Protecting DolphinsDolphins are one of the most intelligent and magical creatures in the sea. They are known for their playful behavior and close interactions with humans. However, dolphins are facing numerous threats from human activities such as overfishing, pollution, habitat destruction, and hunting. Therefore, it is crucial for us to take action to protect these incredible animals.One of the main threats to dolphins is overfishing. Dolphins often get caught in fishing nets intended for other species, resulting in them being injured or killed. To prevent this, fishing practices need to be modified to reduce accidental bycatch of dolphins. Scientists and conservationists are working together to develop new technologies and methods to prevent dolphins from becoming entangled in fishing gear.Pollution is another major threat to dolphins. Chemicals, plastics, and other waste products are entering the ocean at analarming rate, contaminating the water and harming marine life. Dolphins are particularly vulnerable to pollution because they are at the top of the food chain and can accumulate high levels of toxins in their bodies. To protect dolphins from pollution, we need to reduce our use of single-use plastics, properly dispose of waste, and support efforts to clean up the ocean.Habitat destruction is also a significant concern for dolphins. Coastal development, oil drilling, and shipping activities can disrupt dolphin habitats and interfere with their natural behaviors. To protect dolphin habitats, we need to establish marine protected areas, create regulations to limit harmful activities in sensitive areas, and promote sustainable development practices.Lastly, hunting and captivity are other threats to dolphins. Some countries still allow the hunting of dolphins for meat and traditional medicine, while others capture dolphins for entertainment purposes in marine parks and aquariums. It is essential to raise awareness about the cruelty of these practices and advocate for stronger laws and regulations to protect dolphins from exploitation.In conclusion, dolphins are incredible creatures that deserve our respect and protection. By taking action to address thethreats facing dolphins, we can ensure that these intelligent animals will continue to grace our oceans for future generations to enjoy. It is up to all of us to make a difference and protect dolphins before it is too late. Let us work together to safeguard the future of these majestic creatures and preserve the beauty of our oceans.篇2Protecting DolphinsDolphins are one of the most beautiful and intelligent creatures in the ocean. They are known for their playful behavior, stunning acrobatics, and their ability to communicate with each other through a complex system of whistles and clicks. However, dolphins are facing numerous threats to their survival, including pollution, habitat loss, and commercial fishing practices. As responsible stewards of the ocean, it is our duty to protect these magnificent animals and ensure their continued existence for future generations.One of the biggest threats to dolphins is pollution. Chemicals and waste products from industrial activities, agriculture, and urban development are polluting the oceans and threatening the health of marine organisms, includingdolphins. Polluted water can make dolphins sick, harm their food sources, and disrupt their natural behaviors. To protect dolphins from pollution, we must reduce our use of plastic products, properly dispose of hazardous waste, and support policies that promote cleaner waterways.Another major threat to dolphins is habitat loss. Dolphins rely on a healthy marine environment for feeding, breeding, and socializing. However, coastal development, dredging, and other human activities are destroying their habitats and disrupting their migratory patterns. To protect dolphins from habitat loss, we must establish marine protected areas, regulate development along coastal areas, and implement sustainable coastal management practices.Commercial fishing practices also pose a significant threat to dolphins. Many dolphins are accidentally caught in fishing nets or traps, known as bycatch, and are injured or killed as a result. To protect dolphins from bycatch, we must promote the use of dolphin-safe fishing gear, educate fishermen about the importance of dolphin conservation, and enforce regulations that minimize the impact of fishing on dolphin populations.In addition to these threats, dolphins are also vulnerable to climate change, ocean acidification, and noise pollution. Climatechange is altering ocean temperatures and currents, which can impact the distribution and abundance of dolphin prey species. Ocean acidification is affecting the availability of food sources for dolphins, such as fish and squid. Noise pollution from shipping, seismic surveys, and military activities can interfere with dolphins' communication and navigation abilities.To protect dolphins from these threats, we must take collective action at the local, national, and international levels. Governments, conservation organizations, scientists, and the public must work together to implement policies and initiatives that support dolphin conservation. This can include creating marine protected areas, regulating pollution and fishing practices, conducting research on dolphin populations, and raising awareness about the importance of dolphins in the ecosystem.Individuals can also make a difference by making responsible choices in their daily lives. By reducing plastic waste, conserving water, supporting sustainable seafood practices, and participating in beach clean-up efforts, we can all contribute to the protection of dolphins and other marine species. Together, we can ensure a brighter future for dolphins and preserve the beauty and diversity of our oceans for generations to come.In conclusion, dolphins are incredible animals that enrich our lives and inspire us with their intelligence and grace. However, they are facing numerous threats to their survival, including pollution, habitat loss, and commercial fishing practices. It is our responsibility to protect dolphins and ensure their continued existence for future generations. By working together and taking action to address these threats, we can safeguard the future of dolphins and preserve the health and vitality of our oceans. Let us all do our part to protect these amazing creatures and the incredible ecosystems they call home.篇3Protection of DolphinsDolphins are amazing creatures that live in our oceans. They are known for their playful nature, high intelligence, and strong social bonds. However, dolphins are facing many threats in the wild that are putting their survival at risk. In the seventh unit of the eighth grade, we learned about the importance of protecting dolphins and the actions we can take to help ensure their future.One of the biggest threats to dolphins is climate change. As the Earth's temperature rises, sea levels are also rising, leading to habitat loss for dolphins. This can disrupt their feeding andbreeding patterns, as well as increase their exposure to pollution and diseases. To combat climate change, we can reduce our carbon footprint by using less energy, driving less, and supporting renewable energy sources.Another major threat to dolphins is pollution. Plastic waste, chemicals, and oil spills can contaminate the waters where dolphins live and feed, causing them to become sick or die. We can help reduce pollution by properly disposing of our trash, recycling materials, and participating in beach clean-up events. By keeping our oceans clean, we can create a safer environment for dolphins to thrive.Overfishing is also a significant threat to dolphins. When their food sources are depleted due to excessive fishing, dolphins may suffer from malnutrition and starvation. To address this issue, we can support sustainable fishing practices that do not harm dolphin populations. By choosing seafood products that are sustainably sourced, we can help protect the marine food chain and ensure a healthy ecosystem for dolphins to live in.In addition to these external threats, dolphins are also at risk of being captured or killed by humans for entertainment purposes. Some dolphins are captured and kept in captivity formarine parks and aquariums, where they may suffer from stress and confinement. Others are hunted for their meat and blubber in certain cultures. We can take action by boycotting marine parks that keep dolphins in captivity and advocating for laws that protect dolphins from exploitation.Overall, it is important for us to be aware of the challenges facing dolphins and to take action to protect them. By working together to address climate change, pollution, overfishing, and exploitation, we can create a safer and healthier environment for dolphins to thrive. Let us all do our part to ensure the well-being of these magnificent creatures for generations to come. Thank you.。
介绍海豚英文作文
介绍海豚英文作文Dolphins are amazing creatures that live in the ocean. They are known for their playful behavior and high intelligence. Dolphins are also very social animals andoften travel in groups called pods. They are famous fortheir acrobatic leaps and graceful swimming.Dolphins have a streamlined body, which helps them to swim fast and agile in the water. They have a blowhole ontop of their heads that allows them to breathe air at the surface of the water. Dolphins are also known for their excellent eyesight and hearing, which helps them tonavigate and communicate with each other in the ocean.One of the most fascinating things about dolphins is their communication skills. They use a series of clicks, whistles, and body movements to communicate with each other. Scientists believe that dolphins have their own languageand can even call each other by name.Dolphins are carnivorous animals and their diet mainly consists of fish and squid. They use their echolocation ability to locate and hunt for their prey. Dolphins arealso known to work together as a team to catch fish, which shows their cooperative and intelligent nature.In addition to their intelligence and social behavior, dolphins are also known for their friendliness towards humans. They are often seen interacting with people in the wild and are popular attractions at marine parks and aquariums. Many people enjoy swimming with dolphins and watching them perform tricks.Overall, dolphins are fascinating creatures that continue to captivate the hearts of people around the world. Their intelligence, social behavior, and playful nature make them one of the most beloved animals in the ocean.。
关于海豚介绍英文作文
关于海豚介绍英文作文Dolphins are amazing creatures that live in the ocean. They are known for their playful behavior and high intelligence. They are also very social animals and often travel in groups called pods.Their sleek and streamlined bodies allow them to swim very fast, reaching speeds of up to 20 miles per hour. They are also excellent swimmers and can dive to great depths, sometimes over 1,000 feet.Dolphins are known for their communication skills. They use a variety of clicks, whistles, and body movements to communicate with each other. They also have a highly developed sense of hearing, which helps them navigate and locate food in the ocean.One of the most fascinating things about dolphins is their ability to use echolocation. This means they can emit sounds and then listen to the echoes that bounce back,allowing them to "see" their surroundings even in dark or murky waters.Dolphins are carnivorous animals and feed on a varietyof fish and squid. They have sharp teeth that help them catch and eat their prey. They are also known to work together as a team to corral fish into tight groups, making it easier for them to catch their meal.In many cultures, dolphins are seen as a symbol of joy, freedom, and intelligence. They have been featured in myths, legends, and stories throughout history, often portrayed as friendly and helpful creatures.Dolphins face many threats in the wild, including pollution, habitat loss, and being caught in fishing nets. Conservation efforts are underway to protect these amazing animals and ensure their survival for future generations to enjoy.。
关于海豚的英文演讲稿（通用3篇）
关于海豚的英文演讲稿（通用3篇）关于海豚的英文篇1Dolphin In the vast ocean live many creatures with great intellectual and physical capacities. Dolphin is one of those great creatures, whose capacities to think and move at an astounding rate puzzle those who study their behaviors, Dolphins possess something that makes them different from all the other sea creatures. It is not strength or speed but the size of their brains. Dolphin' s brain is almost the same size as that found in the human head. They live for a ling time. Dolphins' babies are born in the water. They can grow up to three and a half meters long. Dolopins use sound to help them find their way, look for their food and talk witheach other. Sound is just like their eyes and mouths.关于海豚的英文演讲稿篇2One day Mr. Green, the science teacher, asked his class, "What do you want to be when you grow up?""I want to be a dolphin trainer like my uncle," Mike answered."Why do you want to be a dolphin trainer?" asked Mr. Green."Because I'm interested in dolphin language.""Dolphin language? Tell us more.""All right," answered Mike, "My uncle tells me that dolphins are very clever. One day my uncle saw a sick dolphin in the pool. It couldn't come up for air. So it whistled to the other dolphins for help. They came to their friend and made some strange sounds. They looked sad. Then together they pushed the sick dolphin's head up above the water. Soon it got well.""Some scientists once said to my uncle, 'If you live with a dolphin and talk to it all day, maybe you can teach it some words.'My uncle decided to do that. He lived with a dolphin. The dolphin loved to play ball so he decided to teach the word 'ball' first. He threw a ball to the dolphin and said the word 'ball' many times. Soon the dolphin started to say the word."Kate asked, "How do they make sounds?"Mike didn't know."They make sounds through blowholes in their heads," said Mr. Green. "Scientists know a little about dolphin language, but they have a lot more to learn.""That's why I want to be a dolphin trainer," said Mike.关于海豚的英文演讲稿篇3Hopefully you already know that dolphins are not fish. Dolphins are warm blooded mammals like us. They breath air through a nostril on the top of their heads called a blowhole. Because dolphins breath air, they must surface periodically. Fish, however, breath by using gills underwater, and therefore do not need to surface. Many fish also have scales, which dolphins do not have. Instead, the skin of a dolphin feels rubbery. A layer of fat, called blubber, under their skin keeps them warm. The locomotion of fish and dolphins is also different. Fish swim by moving their tails from side to side (horizontally). However, dolphins swim by moving their tails up and down (vertically).How many kinds of dolphins are there?This question will probably never be answered correctly. As humans, we want to put everything we know of into a group. Some people like large groups with some variation and others like small, precise groups. Not everyone agrees about what marine dolphins deserve their own species name and what ones do not. I currently have 32 species of marine dolphins listed. I am pretty sure that this covers all the species accurately. Most peopleagree that there are six species of porpoises and five species of river dolphinsDolphins can understand and interpret some words and actions, they cannot understand us word for word like in the TV show. Even though dolphins may not understand us completely, they might have their own languages. In fact, many people believe that dolphins communicate with languages.。
关于海豚的英语作文3篇
关于海豚的英语作文3篇Dolphins are known for their intelligence, sociability, and acrobatic abilities. They are marine mammals that belong to the family Delphinidae and the order Cetacea. Dolphins are found in almost all the oceans and seas of the world, but they are most commonly seen in areas with warm waters. These fascinating creatures have been studied extensively, and scientists have discovered many interesting facts about them. In this article, we will explore some of the most fascinating facts about dolphins.Fact #1: Dolphins are intelligentDolphins are known for their intelligence, which is comparable to that of chimpanzees and humans. They have an encephalization quotient (EQ) that is second only to humans, which is a measure of their brain size relative to their body size. This means that dolphins have a very high brain-to-body mass ratio, suggesting that they are capable of complex problem-solving and cognitive abilities.Dolphins are also known to be curious and playful, which is a sign of their intelligence.Fact #2: Dolphins are sociableDolphins are highly social animals and are often seen swimming in groups called pods. They communicate with each other using a variety of sounds, including clicks, whistles, and chirps. These sounds are used to communicate with other dolphins in the pod, as well as to locate prey and navigate in their surroundings. Dolphins are also known for their altruistic behavior, such as helping injured or stranded individuals.Fact #3: Dolphins have a unique anatomyDolphins have a unique anatomy that is adapted for life in the water. Their streamlined bodies, flippers, and dorsal fins allow them to swim quickly and maneuver through the water with ease. They also have a blowhole on the top of their head that allows them to breathe air while swimming. This adaptation allows them to stay underwater for longer periods and take quick breaths while swimming.Fact #4: Dolphins are acrobaticDolphins are known for their acrobatic abilities, such as jumping out of the water, spinning, and flipping in the air. This behavior is thought to be a form of communication, as well as a way to play and show off their agility. Dolphinsare also known to ride the waves created by boats and other watercraft, which is called bow riding.Fact #5: Dolphins are threatened by human activitiesUnfortunately, dolphins are threatened by human activities such as pollution, shipping, and fishing. Pollution in the form of chemicals, plastics, and oil spills can harm dolphins andtheir environment. Shipping and boating activities can cause noise pollution that interferes withtheir communication and navigation abilities. Fishing practices such as gillnets and trawling can accidentally catch and kill dolphins as bycatch.In conclusion, dolphins are fascinating and intelligent creatures that have captivated humans for centuries. They have a unique anatomy that isadapted for life in the water, and they are known for their sociability, acrobatic abilities, and intelligence. Unfortunately, they are also threatened by human activities, and it is important that we take steps to protect these amazing animals and their environment.。
有关于海豚的英语作文初一
有关于海豚的英语作文初一Dolphins are among the most fascinating creatures thatinhabit our oceans. They are known for their intelligence, playfulness, and unique characteristics that have capturedthe imagination of humans for centuries. In this essay, wewill explore the world of dolphins, their social behaviors, and the importance of conservation.Firstly, dolphins are highly social animals. They live in groups known as pods, which can range from a few individualsto over a hundred. Within these pods, dolphins communicatewith each other using a variety of clicks, whistles, and body movements. This complex communication system allows them to work together to find food, protect each other from predators, and even play games.Secondly, the intelligence of dolphins is a subject of great interest to scientists. They have been observed using tools, solving problems, and even mirror self-recognition, a trait previously thought to be exclusive to humans and a few other species. Dolphins also have a strong memory and are capableof remembering individual humans, which is why they are often seen forming bonds with trainers at marine parks.Thirdly, dolphins are known for their acrobatic displays,often leaping out of the water and performing flips and spins. These behaviors are not just for fun; they also servepractical purposes such as cleaning their skin, communicatingwith other dolphins, and reducing parasites on their bodies.However, despite their many marvels, dolphins face numerous threats. Pollution, habitat destruction, and climate change are all contributing to a decline in dolphin populations worldwide. It is crucial that we take action to protect these remarkable animals. This can be done through supporting conservation efforts, reducing our carbon footprint, and advocating for the protection of marine ecosystems.In conclusion, dolphins are truly remarkable creatures that offer us a glimpse into the depths of the ocean'sintelligence and social complexity. By learning more about them and taking steps to protect their habitats, we can ensure that future generations will continue to be inspired by these aquatic wonders.This essay is designed to be suitable for a seventh-grade student's understanding and vocabulary level, while still providing a comprehensive overview of dolphins and the importance of their conservation.。
我的动物朋友海豚英语作文
My Animal Friend: The DolphinDolphins, those magnificent creatures of the deep blue, are not just known for their captivating smiles and playful antics. They are highly intelligent mammals, with a complex social structure and a unique set of behaviors that make them stand out in the marine world.Dolphins are renowned for their intelligence and ability to communicate using sonar waves. These echolocation skills allow them to navigate through the ocean and locate prey with remarkable precision. Their playful nature is alsowell-documented, with dolphins often engaging in acrobatic leaps and flips that captivate onlookers.My encounter with dolphins was truly unforgettable. I had the opportunity to observe them in their natural habitat while visiting a marine reserve. As I watched them frolic in the waves, I was struck by their grace and agility. One dolphin, in particular, seemed to take a liking to me, swimming up close and interacting with me in a way that was both fascinating and heartwarming. The experience left me with a profound sense of awe and respect for these creatures.Dolphins play a crucial role in the natural ecosystem. As apex predators, they help maintain the balance of the marine food chain, preventing overpopulation of smaller species. Furthermore, dolphins are often seen as ambassadors for the ocean, raising awareness about the importance of protecting our seas and oceans. In many cultures, dolphins are also revered for their symbolic value, representing joy, harmony, and wisdom.However, dolphins are facing numerous threats in the modern world. Habitat loss, pollution, and entanglement in fishing nets are just some of the challenges that these creatures must contend with. Their numbers are declining rapidly, and without immediate action, dolphins may soon face extinction.It is imperative that we take steps to protect dolphins and their habitats. By supporting conservation efforts, reducing our carbon emissions, and minimizing our impact on the environment, we can help ensure that these magnificent creatures have a future in our world. In addition, we should encourage others to adopt a more sustainable lifestyle and promote the importance of conserving our natural resources.In conclusion, dolphins are not just fascinating creatures of the sea; they are also vital to the health and balance of our marine ecosystems. Our encounter with them can be transformative, reminding us of the beauty and wonder of nature. Let us cherish our encounters with dolphins and strive to protect them for generations to come.。
海豚的英语作文初一
海豚的英语作文初一Dolphins, the charming aquatic mammals, have always captivated the hearts of people with their playful demeanor and intelligence. They are known as the "smiling angels" of the ocean, and their friendly presence never fails to bring joy to those who encounter them. In this essay, we will delve into the fascinating world of dolphins, exploring their characteristics, behaviors, and the importance of their conservation.Dolphins are characterized by their sleek bodies, which are perfectly adapted for life in the water. They possess a streamlined shape that allows them to glide through the ocean with ease, and their powerful tails provide the propulsion needed for high-speed swimming. One of the most distinctive features of dolphins is their echolocation ability, which they use to navigate and find food in their environment.These social creatures are often seen in groups known as pods, where they communicate with each other through a series of clicks, whistles, and body movements. Their complex communication system is a testament to their high level of intelligence. Dolphins are also known to exhibit playful behavior, such as riding the bow waves created by boats, which has led to their reputation as being acrobatic and fun-loving.In addition to their natural charm, dolphins play acrucial role in the marine ecosystem. They are top predators, helping to maintain the balance of marine life by controlling the population of smaller fish and other prey. Furthermore, their interactions with other marine species can provide valuable insights into the health of the ocean and the impact of human activities on the environment.However, dolphins face numerous threats, includinghabitat loss, pollution, and overfishing. The increasing presence of human activities in the ocean has led to a decline in dolphin populations, highlighting the need for conservation efforts. It is essential that we protect their habitats, reduce pollution, and implement sustainable fishing practices to ensure the survival of these remarkable creatures.In conclusion, dolphins are not only delightful to watch but also vital to the health of our oceans. Their intelligence, social nature, and ecological importance make them a species worth celebrating and protecting. As we continue to learn more about these amazing animals, it is our responsibility to take action and preserve their natural habitat for future generations to appreciate and enjoy.。
关于海豚英文作文
关于海豚英文作文Dolphins are amazing creatures. They are so intelligent and playful, and they always seem to be smiling. When you see them swimming gracefully in the ocean, it's hard not to be captivated by their beauty.I remember the first time I saw a dolphin up close. It was an unforgettable experience. The way it glided through the water with such ease and grace was truly mesmerizing. I felt an instant connection with this magnificent animal.One thing that fascinates me about dolphins is their communication skills. They use a complex system of whistles, clicks, and body language to communicate with each other.It's incredible to think that they are able to understand and respond to each other in such a sophisticated way.Another thing that amazes me about dolphins is their acrobatic abilities. They love to leap out of the water and perform all sorts of impressive tricks. It's as if they areputting on a show just for the sheer joy of it.Dolphins are also known for their strong sense of community. They live and travel in groups, and they are very protective of each other. It's heartwarming to see how they look out for one another and work together as a team.In addition to their social nature, dolphins are also incredibly adaptable. They can be found in almost every ocean in the world, from the tropical waters of the Caribbean to the icy seas of Antarctica. It's amazing to think about how they have been able to thrive in such diverse environments.Overall, dolphins are truly remarkable creatures. They possess a combination of intelligence, agility, and social skills that make them one of the most captivating animals in the ocean. I feel grateful to have had the chance to witness their beauty and grace firsthand.。
关于海豚的英语作文初二
关于海豚的英语作文初二Dolphins are fascinating marine mammals known for their intelligence and friendly nature. They belong to the family of cetaceans, which also includes whales and porpoises. Dolphins are found in oceans and rivers all around the world.One of the most remarkable features of dolphins is their ability to communicate with each other using a variety of sounds, such as clicks and whistles. They are also known for their playful behavior, often seen jumping out of the water and riding the waves. Additionally, dolphins are highly social animals, living in groups called pods.Dolphins have a great sense of empathy and can even help humans in need. There are many stories of dolphins rescuing swimmers from danger. Because of their intelligence and friendly nature, dolphins are popular attractions in aquariums and marine parks, where people can learn more about them.In conclusion, dolphins are not only beautiful creatures but also intelligent and caring animals that play a significant role in the marine ecosystem.中文翻译：海豚是迷人的海洋哺乳动物，以其智慧和友好的性格而闻名。
保护海豚作文英语简单200
保护海豚作文英语简单200篇1I once went to the aquarium and witnessed the amazing performance of dolphins. How intelligent and lovely they were! They jumped through hoops, played with balls, and interacted with the audience. Everyone was charmed by them and couldn't stop cheering and laughing.I also saw on TV programs that dolphins play a crucial role in the marine ecosystem. They help maintain the balance of the ocean. How important they are!However, dolphins are facing many threats now. We should do something to protect them. Let's stop polluting the ocean and overfishing. Let's give them a clean and safe home. Don't we all want to see their happy smiles in the blue sea forever?篇2Dolphins are such wonderful and intelligent creatures! But unfortunately, they are facing serious threats. In some areas, illegal fishing is rampant. Nets are cast carelessly, trapping dolphins and destroying their natural habitats. How sad and unfair is this? The worsening living environment poses a huge danger to their survival. Moreover, marine pollution is another major problem. Chemical waste and plastic debris fill the ocean, affecting the health of dolphins. Isn't it alarming? We must actnow to protect them. We should impose strict laws against illegal fishing and control marine pollution. Let's work together to give dolphins a safe and clean home. Can we afford to wait any longer?篇3I once had an unforgettable experience participating in the protection of dolphins. I joined a beach cleaning activity, working hard to remove the trash that could harm the dolphins' habitat. Oh, how important it was! We sweated a lot but felt so proud.I also actively spread the knowledge about protecting dolphins to the people around me. How could they ignore such lovely creatures' plight? I told them about the threats dolphins face and the urgency of taking action.Friends, let's all do something to protect these wonderful friends of ours! Isn't it our responsibility? Let's act now and make a difference!篇4Scientists have been making tremendous efforts to protect dolphins! They have spent countless hours observing and researching the living habits of dolphins. Through detailed studies, they have discovered how dolphins communicate with each other, where they search for food, and how they raise their young. This knowledge is crucial! It provides a solid basis for formulating effective protection strategies. For instance, they have identified areas that are vital for dolphins' survival and have advocated fortheir protection. They have also raised public awareness about the importance of conserving these wonderful creatures. Isn't it amazing how much they have done? With their hard work and dedication, we should have great confidence that the future of dolphins will be bright! Let's all do our part to support these efforts and ensure the well-being of dolphins for generations to come.篇5One day, when I was walking along the beach, I saw a heartbreaking scene. There was a dolphin struggling on the shore, its body covered with wounds. Oh, my goodness! How could this happen? Its eyes were full of pain and helplessness. It tried to move, but it seemed so weak and powerless. I felt so sad and angry at the same time. How could someone be so cruel to these lovely creatures? We should protect them instead of hurting them. Dolphins are such intelligent and friendly animals. They bring joy and wonder to our world. But now, this poor dolphin was suffering. Isn't it our responsibility to do something to stop this kind of tragedy from happening again? Let's all take action and give them a safe and peaceful home!。
关于海豚的英语作文
关于海豚的英语作文Dolphins are some of the most intelligent and fascinating creatures on our planet. They are known for their playful behavior and their ability to communicate with each otherusing a series of clicks, whistles, and body movements.Here's a composition on dolphins that you might find interesting:The Marvelous World of DolphinsDolphins are aquatic mammals that belong to the family of Cetaceans, which also includes whales and porpoises. These marine animals are found in oceans all around the world, from the warm waters of the tropics to the cold waters of theArctic and Antarctic.Adapting to the EnvironmentDolphins have a streamlined body shape that allows them to move swiftly through the water. Their skin is smooth and slippery, which helps to reduce drag. They have a dorsal fin that provides stability and a tail fin, or fluke, whichpropels them forward. Dolphins are known for their acrobatics, often leaping out of the water and performing flips and spins.Social CreaturesDolphins are highly social animals. They live in groups called pods, which can range from a few individuals to several hundred. Within these pods, dolphins form close bonds and work together to find food, protect each other from predators, and care for the young.Communication and IntelligenceOne of the most remarkable aspects of dolphins is their advanced communication skills. They use a complex system of sounds to communicate with each other. Scientists have found that dolphins can recognize themselves in a mirror,indicating a high level of self-awareness. They are also known to use tools and solve problems, which are signs of high intelligence.Conservation EffortsDespite their widespread presence, dolphins face numerous threats, including pollution, habitat loss, and overfishing. Many species of dolphins are endangered, and conservation efforts are crucial to ensure their survival. Organizations around the world are working to protect dolphin habitats and educate the public about the importance of these magnificent creatures.ConclusionDolphins are not just beautiful to watch; they are also a testament to the diversity and complexity of life on Earth.As we learn more about these amazing animals, we are reminded of our responsibility to protect and preserve the naturalworld for future generations.This composition aims to provide a brief overview of dolphins, highlighting their characteristics, social behaviors, communication skills, and the importance of conservation.。
保护海豚的英文演讲稿
保护海豚的英文演讲稿Ladies and gentlemen, 。
Today, I stand before you to talk about the urgent need to protect dolphins. Dolphins are highly intelligent and social animals that inhabit the world's oceans. They are known for their playful behavior and remarkable intelligence, making them one of the most beloved creatures in the sea. However, despite their popularity, dolphins face numerous threats that put their survival at risk. It is our responsibility to take action and protect these magnificent creatures before it's too late.One of the biggest threats to dolphins is human activities, particularly pollution and habitat destruction. The oceans are being polluted with plastic waste, oil spills, and chemical runoff from industrial and agricultural activities. These pollutants not only contaminate the water but also harm the marine life, including dolphins. Additionally, the destruction of coastal habitats and the construction of dams and other structures disrupt the dolphins' natural environment, leading to a decline in their population.Furthermore, dolphins are often unintentionally caught in fishing nets, a phenomenon known as bycatch. This results in the injury and death of countless dolphins each year. It is essential for us to develop and implement sustainable fishing practices that minimize the impact on dolphin populations. By using dolphin-friendly fishing gear and techniques, we can reduce the number of dolphins being caught as bycatch and help protect their populations.In addition to human activities, climate change also poses a significant threat to dolphins. Rising sea temperatures and ocean acidification can disrupt the dolphins' food chain and lead to the loss of their natural prey. This, in turn, can have a devastating impact on dolphin populations, as they struggle to find enough food to survive. It is crucial for us to address climate change and work towards reducing our carbon footprint to mitigate its effects on marine life, including dolphins.On a more immediate level, we must also address the issue of dolphin captivity. Dolphins are often captured and kept in captivity for entertainment purposes, such as in marine parks and aquariums. These facilities not only deprive dolphins of their natural habitat and social structures but also subject them to stress and health issues. We must advocate for the end of dolphin captivity and support efforts to rehabilitate and release captive dolphins back into the wild.In conclusion, the protection of dolphins is a matter of great importance that requires our immediate attention and action. By addressing the threats posed by human activities, climate change, and captivity, we can help ensure the survival of these incredible creatures for future generations to appreciate and admire. Let us all work together to protect dolphins and the marine environment they call home. Thank you.。
关于海豚的英语作文
关于海豚的英语作文Dolphins are one of the most fascinating creatures in the ocean. They are known for their intelligence, playful nature, and their unique ability to communicate with each other. Dolphins are also very social animals and often travel in groups called pods.One of the most interesting things about dolphins is their intelligence. They are known to be one of the smartest animals in the ocean and have been observed using tools, solving problems, and even playing games. Dolphins have also been known to communicate with each other using a complex system of clicks, whistles, and body language.Dolphins are also known for their playful nature. They are often seen jumping out of the water, playing with seaweed, and even riding the waves created by boats. Dolphins are also known to interact with humans, and there are many stories of dolphins rescuing humans from dangerous situations.Another unique feature of dolphins is their echolocation system. This system allows them to navigate and locate prey in the ocean by emitting high-pitched sounds that bounce off objects and return to the dolphin's ears. This allows them to "see" in the dark and murky waters of the ocean.Unfortunately, dolphins are also facing many threats in the ocean. Pollution, overfishing, and habitat loss are all major issues that are impacting dolphin populations around the world. Many organizations are working to protect dolphins and their habitats, but there is still much work to be done.In conclusion, dolphins are truly amazing creaturesthat have captured the hearts and minds of people around the world. Their intelligence, playful nature, and unique abilities make them one of the most fascinating animals in the ocean. However, we must also work to protect them and their habitats so that future generations can continue to enjoy these incredible animals.。
八年级英语下册保护海豚作文范文
八年级下册英语作文保护海豚作文1Dolphins are one of the most intelligent and charming creatures in the ocean. They play a crucial role in maintaining the balance of the marine ecosystem. However, these wonderful animals are now facing numerous threats that endanger their survival.The importance of protecting dolphins cannot be overstated. Dolphins help control the population of other marine species, contributing to the stability of the food chain. They are also indicators of the health of the ocean environment. A thriving dolphin population suggests a healthy and balanced marine ecosystem.Sadly, human activities pose significant threats to dolphins. Marine pollution, for instance, is a major concern. Plastic waste, chemical pollutants, and oil spills not only harm the dolphins' living environment but also directly affect their health. Overfishing reduces the availability of food sources for dolphins, making it difficult for them to obtain sufficient nourishment. Moreover, the increasing number of ships at sea leads to a higher risk of collisions with dolphins, causing serious injuries or even death.To protect dolphins, we must take immediate and effective actions. We should reduce plastic usage and properly dispose of waste to minimizemarine pollution. Stricter regulations on fishing are necessary to ensure the sustainable development of marine resources. Additionally, measures should be implemented to control the speed and routes of ships to reduce the likelihood of collisions with dolphins.In conclusion, protecting dolphins is not only for their own sake but also for the well-being of our entire planet. It is our responsibility to act now and ensure a safe and thriving future for these remarkable creatures.2Dolphins are one of the most intelligent and charming creatures in the ocean. However, they are facing numerous threats that put their survival at risk. It is our responsibility to take immediate and effective actions to protect these wonderful animals.The establishment of marine protected areas is of paramount importance. These areas can provide a safe haven for dolphins, allowing them to breed and thrive without the disturbance of human activities such as excessive fishing and pollution. Moreover, strengthening the supervision of illegal fishing is crucial. Stringent laws and strict enforcement should be implemented to punish those who engage in illegal fishing practices that harm dolphins and their habitats.In addition, raising public awareness about the importance of dolphin conservation is essential. We can achieve this through educational campaigns, documentaries, and social media. By informing people aboutthe plight of dolphins and the impact of our actions on their survival, we can inspire more individuals to actively participate in conservation efforts.We should also encourage scientific research on dolphins to better understand their behaviors, habitats, and ecological needs. This knowledge will help us develop more targeted and effective conservation strategies.Let us unite and take concrete steps to protect dolphins. Every small action counts, and together, we can ensure a bright future for these precious marine mammals.3Dolphins are one of the most intelligent and charming creatures in the ocean. They play a crucial role in maintaining the balance of marine ecosystems. However, their existence is currently threatened by various human activities.It is of great significance for humans and dolphins to coexist harmoniously. Dolphins are not only beautiful animals but also indicators of the health of our oceans. Some successful dolphin protection projects have made remarkable achievements. For instance, in certain regions, strict regulations have been imposed on fishing methods to prevent accidental capture of dolphins. Moreover, conservation organizations have been actively involved in monitoring dolphin populations and their habitats.As individuals, we also have the responsibility to contribute to the protection of dolphins in our daily lives. We can reduce the use of plasticproducts to minimize plastic pollution in the ocean, which poses a serious threat to dolphins' survival. We can also support relevant conservation organizations through donations or volunteer work.In conclusion, protecting dolphins is not only a matter of saving a species but also a commitment to maintaining the diversity and health of our entire planet. Let us join hands and take practical actions to ensure that dolphins can thrive in the vast ocean for generations to come.4Dolphins are one of the most beloved and intelligent creatures in the ocean. However, their existence is now facing serious threats. In the past, dolphins were abundant and their living environment was excellent. They could freely swim in vast and clean seas, hunt for food without much difficulty, and enjoy a peaceful life. The number of dolphins was considerable, and they formed large groups, presenting a lively and harmonious scene.But nowadays, the situation has changed dramatically. The rapid development of human society has brought countless problems to dolphins. Overfishing has deprived them of sufficient food sources, and the increasing pollution has seriously damaged their living environment. Chemical waste, plastic garbage, and oil spills have made the once clear and beautiful ocean become a toxic and dangerous place. Moreover, human activities such as excessive shipping and noise pollution have alsodisrupted their communication and navigation systems, making it difficult for them to survive and reproduce.The sharp contrast between the past and the present clearly shows the urgency of protecting dolphins. We must take immediate and effective measures to stop overfishing, reduce pollution, and control the noise and disturbance caused by human activities. We should also establish more protected areas in the ocean to provide a safe haven for dolphins. Only in this way can we ensure that these lovely creatures can continue to thrive in the vast ocean and bring joy and wonder to future generations.5Dolphins are remarkable creatures that deserve our utmost protection. Their intelligence is truly astonishing. Studies have shown that dolphins have a highly developed brain, enabling them to perform complex tasks and exhibit problem-solving skills. They can understand various signals and communicate with each other through a series of sophisticated sounds and body language.The social behavior of dolphins is another aspect that makes them unique. They live in groups and have a strong sense of cooperation and mutual assistance. This social structure is not only crucial for their survival but also reflects their emotional connection and dependence on each other.However, despite their remarkable characteristics, dolphins are facing numerous threats. Pollution of the marine environment, overfishing, andthe entanglement in fishing nets all pose serious risks to their existence. We have a moral obligation to take action to protect these intelligent and social beings.We should enforce strict regulations to control pollution and limit overfishing. Establishing marine protected areas can provide a safe haven for dolphins and other marine life. Moreover, raising public awareness about the importance of dolphin protection is essential. Only when everyone realizes the value of these wonderful creatures and takes responsibility for their conservation can we ensure a sustainable future for dolphins and the entire marine ecosystem. Let us join hands to protect dolphins and create a better world for them and ourselves.。
第一人称视角写保护海豚的英语作文
第一人称视角写保护海豚的英语作文As a document creator, I am committed to protecting dolphins. Dolphins are highly intelligent and social animals that inhabit the world's oceans. However, they face numerous threats from human activities, including pollution, habitat destruction, and bycatch in fishing nets. In this article, I will discuss the importance of protecting dolphins and the actions that can be taken to ensure their survival.First and foremost, it is essential to understand the significant role that dolphins play in marine ecosystems. As top predators, dolphins help maintain the balance of the food chain by controlling the population of their prey. Their presence indicates a healthy marine environment, and their absence can lead to ecological imbalances. Therefore, protecting dolphins is not only beneficial for their species but also for the entire marine ecosystem.One of the most pressing threats to dolphins is pollution. Chemical pollutants, plastic debris, and noise pollution from human activities can have devastating effects on dolphin populations. Chemical pollutants can accumulate in dolphins' bodies, leading to health issues and reproductive problems. Plastic debris can be ingested by dolphins, causing internal injuries and death. Additionally, noise pollution from shipping, construction, and recreational activities can disrupt dolphins' communication and navigation, leading to stress and disorientation.Habitat destruction is another significant threat to dolphins. Coastal development, dredging, and the construction of dams and barriers can alter the natural habitats of dolphins, leading to a loss of breeding and feeding grounds. This can result in decreased reproductive success and food availability for dolphin populations.Furthermore, dolphins often become unintentional victims of fishing activities. Bycatch, the accidental capture of dolphins in fishing nets and gear, is a significant threat to their survival. Dolphins can become entangled in fishing gear, leading to injury, suffocation, and death. By implementing sustainable fishing practices and using dolphin-safe fishing gear, we can reduce the impact of bycatch on dolphin populations.To protect dolphins effectively, it is crucial to implement conservation measures and regulations. Establishing marine protected areas, where human activities are limited, can provide safe havens for dolphins to thrive. Additionally, enforcing laws and regulations to reduce pollution, conserve habitats, and minimize bycatch can help safeguard dolphin populations.Education and awareness are also essential in protecting dolphins. By educating the public about the importance of dolphins and the threats they face, we can inspire individuals to take action to protect them. Promoting responsible tourism and recreational activities can minimize disturbances to dolphins in their natural habitats.In conclusion, protecting dolphins is crucial for maintaining the health of marine ecosystems. By addressing the threats of pollution, habitat destruction, and bycatch, we can ensure the survival of dolphin populations. Implementing conservation measures, enforcing regulations, and raising awareness are essential steps in protecting dolphins for future generations to enjoy. It is our responsibility to take action and protect these magnificent creatures for the benefit of our planet.。
以动物为话题的英文演讲稿
以动物为话题的英文演讲稿为了子孙后代，也为了地球上千千万万种动植物!记住，我们只有一个地球!让我们从小养成爱惜环境、爱护动物的良好习惯，让动物和人类永久和谐相处!下面给大家共享一些关于以动物为话题的英文演讲稿，盼望对大家有关心。
以动物为话题的英文演讲稿1Dolphin is my favourite animal.It is one of the most precious animals. Their bodies are very long, about one zhang. Dolphins live in the sea. They live on fish, shrimps and so on.Dolphins are very friendly and peaceful. They never attack people. Instead, they have saved many people in danger in the past years. How helpful the dolphins are!Dolphins are very clever. People often train them so that they can give a dolphin show which brings people a lot of happiness and joy.Unluckily, the number of dolphins is getting smaller and smaller. Because of water pollution, there is less and less space for dolphins. Many people make money by hunting dolphins. If we don’t protect them, maybe we’ll lose our good friends one day. As a student, I hope more and more people should take actions to protect dolphins.以动物为话题的英文演讲稿2It is suggested that people have been aware of the issue--lack of preservation for endangered spieces, animals and plants, but as you see , they placed little efforts to cope with the problem.despite the versatility and intricacy of instruments , I would pore over some of the most striking ones and offer alternatives afterwards.One of the major reasons , causing peoples inocence of protecting animals, is that the government did not function well as an educator, arosing peoples initiative in shielding wild animals, which led to the consequence that people do not know their responsibility to prevent animals from dangers, and specific knowledge in guarding them. what is equally important as the reason mentioned above is that media did not meet our satisfaction to inform the mass of the emergency which is crutial in arousing peoples conciousness to keep animals safe.In spite of the serious problem, measure leading to profound improvement still can be taken. owning to the fact that funds are insufficient in some developing countries, developed countries or international organizations should shoulder more burden --finacing them in order to capacitate them to accompolish the protection of animals. at the same time, education in telling people the way to make animals harboured ought to be focused on, thus resulting in peoples better awareness in the camouflage of our planets cutest creatures.It is belived by me that if correct actions are taken to preserveanimals, any kind of them will be far away from extinction forever.以动物为话题的英文演讲稿3Elephant is the largest animal on land today. It weights some ninety kilograms and is about one metre high when born. When it is 12 years old, it studs over three meters and does not grow any more. Elephant is usually grey in color, having a long trunk with large ivory tusks protruding from each side of its mouth. Usually moving in groups and caring for each other, Elephant is know to be a very and gentle creamre. For many years people have used the strength of these poweful animals to move trees and heavy logs. Elephant has been and is a vital tool for people to do many things that would normally be imposs-ible. Elephant is and will continue to be one of the greatest creatures man has ever come into contact with. Its size. beauty, and power willforever be useful to man.以动物为话题的英文演讲稿4Animals are natural resources that people have wasted all through our history. Animals have been killed for their fur and feathers, for food, for sport, and simply because they were in the way. Thousands of kinds of animals have disappeared from the earth forever. Hundreds more are on the danger list today. About 170 kinds in the United States aloneare considered in danger.Why should people care? Because we need animals, and because once they are gone, there will never be any more.Animals are more thanjust beautiful or interesting. They are more than just a source of food. Every animal has its place in the balance of nature. Destroying one kind of animal can create many problems. For example, when farmers killed large numbers of hawks, the farmers stores of corn and grain were destroyed by rats and mice. Why? Because hawks eat rats and mice, with no hawks to keep down their numbers, the rats and mice multiplied quickly.Luckily, some people are working to help save the animals. Some groups raise money to let people know about the problem. And they try to get the governments to pass laws protecting animals in danger. Quite a few countries have passed laws. These laws forbid the killing of any animal or planton the danger list. Slowly, the number of some animals in danger is growing.以动物为话题的英文演讲稿5My favorite animals are swans.they are white.they can swim very well.I think they look like a beautiful girl in a white dress.they have a pair of wings and they can also fly well.I believe they are angles from the sky.they bring us love and make us happy.they are always friendly to us.We cant hurt them,because they are our friend.I love them!I like dogs,too.they are not beautiful,but they are the best friends.they keep the thieves away.Dogs have the best listening and eyes.they can hear in the nosiy,see in the dark.If we are in danger,they will help us at once.Andthey dont mind their lives.So,I love them.以动物为话题的英文演讲稿。
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
关于海豚的英文演讲稿3篇
关于海豚的英文演讲稿篇 1 One day Mr. Green, the science teacher, asked his class, What do you want to be when you grow up?
I want to be a dolphin trainer like my uncle, Mike answered.
Why do you want to be a dolphin trainer? asked Mr. Green.
Because Im interested in dolphin language.
Dolphin language? Tell us more.
All right, answered Mike, My uncle tells me that dolphins are very clever. One day my uncle saw a sick dolphin in the pool. It couldnt come up for air. So it whistled to the other dolphins for help. They came to their friend and made some strange sounds. They looked sad. Then together they pushed the sick dolphins head up above the water. Soon it got well.
Some scientists once said to my uncle, If you live with a dolphin and talk to it all day, maybe you can teach it some words. My uncle decided to do that. He lived with a dolphin. The dolphin loved to play ball so he decided to teach the word ball first. He threw a ball to the dolphin and said the word ball many times.
Soon the dolphin started to say the word.
Kate asked, How do they make sounds?
Mike didnt know.
They make sounds through blowholes in their heads, said Mr. Green. Scientists know a little about dolphin language, but they have a lot more to learn.
Thats why I want to be a dolphin trainer, said Mike. 关于海豚的英文演讲稿篇2 Hopefully you already know that dolphins are not fish. Dolphins are warm blooded mammals like us. They breath air through a nostril on the top of their heads called a blowhole. Because dolphins breath air, they must surface periodically. Fish, however, breath by using gills underwater, and therefore do not need to surface. Many fish also have scales, which dolphins do not have. Instead, the skin of a dolphin feels rubbery. A layer of fat, called blubber, under their skin keeps them warm. The locomotion of fish and dolphins is also different. Fish swim by moving their tails from side to side (horizontally). However, dolphins swim by moving their tails up and down (vertically).
How many kinds of dolphins are there?
This question will probably never be answered correctly. As humans, we want to put everything we know
of into a group. Some people like large groups with some variation and others like small, precise groups. Not everyone agrees about what marine dolphins deserve their own species name and what ones do not. I currently have 32 species of marine dolphins listed. I am pretty sure that this covers all the species accurately. Most people agree that there are six species of porpoises and five species of river dolphins
Dolphins can understand and interpret some words and actions, they cannot understand us word for word like in the TV show. Even though dolphins may not understand us completely, they might have their own languages. In fact, many people believe that dolphins communicate with languages.
关于海豚的英文演讲稿篇3 Dolphin In the vast ocean live many creatures with great intellectual and physical capacities. Dolphin is one of those great creatures, whose capacities to think and move at an astounding rate puzzle those who study their behaviors, Dolphins possess something that makes them different from all the other sea creatures. It is not strength or speed but the size of their brains. Dolphin s brain is almost the same size as that found in the human head. They live for a ling time. Dolphins babies are born in
the water. They can grow up to three and a half meters long. Dolopins use sound to help them find their way, look for their food and talk witheach other. Sound is just like their eyes and mouths.。