屠呦呦英文介绍(课堂PPT)

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高考英语最新阅读作文新闻素材课件-BBC介绍屠呦呦PPT优秀课件

由于全世界一半的人口面临疟疾的威胁，屠呦呦和青蒿素产生的巨大影响不可低估。正如她的诺贝尔奖总结所言，她的工作“为数百万人的生存和健康状况的改善做出了贡献”。
Tens of thousands were left incapacitated after being bitten by the malaria-carrying insects. In one US army unit, a third of soldiers contracted the diseasine.capacitated [ˌinkə'pæsiˌteitid]
屠呦呦20世纪最伟大的科学家之一：BBC 介绍屠呦呦的短片（视频）
As part of the programme charged with finding a treatment for malaria （疟疾） , Tu was inspired by an ancient Chinese text which said sweet wormwood（苦艾） was used to tackle （处理） intermittent （间歇性） fevers (a hallmark（特点） of malaria) around 400 AD.
impact cannot be underestimated. As her Nobel
Prize summary states her work has “led to the
survival people”.
and
iumnpdreorveesdtimhaetaelt[hˌʌnodfərm'eislltiɪomnesɪto] f vt. 低估；看轻

屠呦呦英文介绍课堂

1. Brief introduction of Tu Youyou 2. Malaria research - artemisinin 3. Inspiration
1
Brief introduction
? Tu Youyou , born in 1930 in Ningbo, has been a pharmacologist at the China Academy of Chinese Medicine Science since 1965, engaging in research of the combination of TCM and WM.
8
? For the sake of drug safety, she had personally taking tests，which led to her liver poisoning, but she still kept on working, regardless of picking samples in the wild, or in the indoor experiment study.
? TCM : traditional Chinese medicine
? WM : western medicine
2
? Her discovery of artemisinin and its treatment of malaria is regarded as a significant breakthrough of tropical medicine in the 20th century and health improvement for people of tropical developing countries in South Asia, Africa, and South America. For her work, Tu received the 2011 Lasker Award in clinical medicine and the 2015 Nobel Prize in Physiology or Medicine .

高中英语人教版新课标课件必修五 Unit 1 Great scientists Section Ⅰ

first citizen of the People's Republic of China to receive the Nobel Prize in natural sciences，as well as the first Chinese person to receive the Lasker Award.She was born and educated and carried out research exclusively in China.
expert，indeed，
he attended Queen Victoria as her personal physician. 约翰·斯诺是伦敦一位著名的医生——他的确医术精湛，因而成了维多利亚
女王的私人大夫。
2．
its cause
its cure was understood.
人们既不知道它的病源，也不知道它的治疗方法。
的；可预见的；可预知的
根据提示补全下列短语
1．put
2．draw
conclusion
3．expose...
4．
sb.'s/sth.'s day
5．face
challenge
提出；推荐得出结论使显露；暴露在某人/某物存在的时候面临挑战
6．mark... 7．be 8．link... 9．look 10．slow
5．
n.
科学
6．
vt.
弄脏；污染
7．
vt.
命令；指示；教导
8．
vt.& n. 连接；联系
9．
vt.
打败；战胜；使受挫
n.
失败
பைடு நூலகம்

屠呦呦英文介绍课件

The spread of malaria
Malaria is transmitted through the bit of anopheles mosquitoes These mosquitoes commonly breed in stable water, and the episodic area is mainly distributed in Africa, Asia, and Latin America
achievements in the field of malaria research
Her discovery of artemisin has been listed as one of the most important discoveries in global
health history
The World Health Organization has also recommended the use of
artemisin to treat malaria, which has saved millions of lives
Pray and command from
She was also aware of the National Medical of Science, the highest scientific award in China
Tu Youyou English Introduction Courseware
• Character background • Research findings • Contribution and Impact • Honors and evaluations • Inspiration and Reflection

屠呦呦获奖英文介绍

Tu YouyouFor the discovery of artemisinin, a drug therapy for malaria that has saved millions of lives across the globe, especially in the developing world.The 2011 Lasker~DeBakey Clinical Medical Research Award honors a scientist who discovered artemisinin and its utility for treating malaria. Tu Youyou (China Academy of Chinese Medical Sciences, Beijing) developed a therapy that has saved millions of lives across the globe, especially in the developing world. An artemisinin-based drug combination is now the standard regimen for malaria, and the World Health Organization (WHO) lists artemisinin and related agents in its catalog of "Essential Medicines." Each year, several hundred million people contract malaria. Without treatment, many more of them would die than do now. Tu led a team that transformed an ancient Chinese healing method into the most powerful antimalarial medicine currently available.Malaria has devastated humans for millennia, and it continues to ravage civilizations across the planet. In 2008, the mosquito-borne parasites that cause the illness, Plasmodia, infected 247 million people and caused almost one million deaths. The ailment strikes children particularly hard, especially those in sub-Saharan Africa. It affects more than 100 countries—including those in Asia, Latin America, the Middle East, parts of Europe—and travelers from everywhere. Symptoms include fever, headache, and vomiting; malaria can quickly become life-threatening by disrupting the blood supply to vital organs. Early diagnosis and treatment reduces disease incidence, prevents deaths, and cuts transmission.In the late 1950s, the WHO embarked on an ambitious project to eradicate malaria. After limited success, the disease rebounded in many places, due in part to the emergence of parasites that resisted drugs such as chloroquine that had previously held the malady at bay. At the beginning of the Chinese Cultural Revolution, the Chinese government launched a secret military project that aimed to devise a remedy for the deadly scourge. China was particularly motivated to prevail over malaria not only because it was a significant problem at home, but also because the Vietnamese government had asked for help. It was at war and the affliction was devastating its civilian and military populations.The covert operation, named Project 523 for the day it was announced—May 23, 1967—set out to battle chloroquine-resistant malaria. The clandestine nature of the enterprise and the political climate created a situation in which few scientific papers concerning the project were published for many years, the earliest ones were not accessible to the international community, and many details about the endeavor are still shrouded in mystery. In early 1969, Tu was appointed head of the Project 523 research group at her institute, where practitioners of traditional medicine worked side by side with modern chemists, pharmacologists, and other scientists. In keeping with Mao Zedong's urgings to "explore and further improve" the "great treasure house" of traditional Chinese medicine, Tu combed ancient texts and folk remedies for possible leads. She collected 2000 candidate recipes, which she then winnowed. By 1971, her team had made 380 extracts from 200 herbs. The researchers then assessed whether these substances could clear Plasmodia from the bloodstream of mice infected with the parasite.One of the extracts looked particularly promising: Material from Qinghao (Artemisia annua L., or sweet wormwood) dramatically inhibited parasite growth in the animals. Such hopeful results, however, were not reproducible, so Tu dove back into the literature and scoured it for possible explanations.The first known medical description of Qinghao lies in a 2000-year-old document called "52 Prescriptions" (168 BCE) that had been unearthed from a Mawangdui Han Dynasty tomb. It details the herb's use for soothing hemorrhoids. Later texts also mention the plant's curative powers. Tu discovered a passage in the Handbook of Prescriptions for Emergencies (340 CE) by Ge Hong that referenced Qinghao's malaria-healing capacity. It said "Take a handful of Qinghao, soak in two liters of water, strain the liquid, and drink." She realized that the standard procedure of boiling and high-temperature extraction could destroy the active ingredient.With this idea in mind, Tu redesigned the extraction process, performing it at low temperatures with ether as the solvent. She also removed a harmful acidic portion of the extract that did not contribute to antimalarial activity, tracked the material to the leaves rather than other parts of the plant, and figured out when to harvest the herb to maximize yields. These innovations boosted potency and slashed toxicity. At a March 1972 meeting of the Project 523 group's key participants, she reported that the neutral plant extract —number 191—obliterated Plasmodia in the blood of mice and monkeys.From branch to bedsideLater that year, Tu and her team tested the substance on 21 people with malaria in the Hainan Province, an island off the southern coast of China. About half the patients were infected with Plasmodium falciparum, the deadliest of the microbial miscreants, and about half were infected with Plasmodium vivax, the most common cause of a disease variant that is characterized by recurring fevers. In both groups, fever disappeared rapidly, as did blood-borne parasites.In the meantime, Tu started to home in on the active ingredient, using chromatography to separate the extract's components. On November 8, 1972, she and her colleagues obtained the pure substance. They named it Qinghaosu (literally, the principle of Qinghao) and it is now commonly called artemisinin in the west. Tu and her colleagues subsequently determined that it had an unusual structure. It proved to be a sesquiterpene lactone with a peroxide group, a completely different kind of compound than any known antimalarial drug. Later studies would show that the peroxide portion is essential for its lethal effects on the parasite.Subsequent clinical trials on 529 malaria cases confirmed that the crystal they had isolated delivers the antimalarial blow. Many scientists from other institutes then joined efforts to improve the extraction procedures and conduct clinical trials. The first English language report about artemisinin was in December 1979; as was customary at the time in China, the authors were anonymous. By that point, the China-wide Qinghaosu research group had given the substance to more than 2000 patients, some of whom had chloroquine-resistant P. falciparum malaria infections. In addition, the drug cured 131 of 141 individuals with cerebral malaria, aparticularly severe form of the disease. Comparative studies on a small number of cases suggested that the drug acted more quickly than chloroquine did. The investigators reported no harmful side effects.The paper drew international attention. In October 1981, the scientific working group on the chemotherapy of malaria, sponsored by the WHO, the World Bank, and United Nations Development Business, invited Tu to present her findings at its fourth meeting. Her talk evoked an enthusiastic response. She told the audience not only about artemisinin, but also about some of its chemical derivatives. In 1973, as part of her structural studies, Tu had modified artemisinin to generate a compound called dihydroartemisinin. She later found that it delivers ten times more punch than artemisinin and that it reduces risk of disease recurrence. This compound provided the basis for other artemisinin-derived drugs. Starting in the mid 1970s, Guoqiao Li (Guangzhou College of Traditional Chinese Medicine) performed clinical trials with artemisinin and these substances. They all delivered more therapeutic clout than did standard drugs such as chloroquine and quinine. The derivatives tend to hold up better than the parent compound in the body, and they form the foundation of today's therapies.In 1980, Keith Arnold (Roche Far East Research Foundation, Hong Kong) joined Li's enterprise and two years later, they published the first high-profile clinical trial of artemisinin in a peer-reviewed, western journal. The same group then conducted the first randomized studies that compared artemisinin alone with the known anti-malarial agents, mefloquine and Fansidar (sulfadoxine-pyrimethamine). Artemisinin enhanced effectiveness without adding side effects. Li, Arnold, and others subsequently showed that suppository forms of artemisinin and its derivatives are effective. This mode of drug delivery is especially important for babies and unconscious patients.Almost every new antimalarial drug has initially slashed incidence of the disease, and then the parasites stop succumbing to it. At that point, sickness and death rates climb again. Small pockets of resistance to artemisinin-based compounds have already cropped up in Western Cambodia. To avoid resistance, patients typically take two drugs that attack the parasite in different ways, and since 2006, the WHO has discouraged use of artemisinin compounds as solo therapies. The organization now recommends several combination treatments, each of which contain an artemisinin-based compound plus an unrelated chemical.In 2001, the WHO signed an agreement with Novartis, the manufacturer of one of these drug combinations, Coartem®; it consists of artemether and lumefantrine, another antimalarial agent, which was originally synthesized by the Academy of Military Medical Sciences in Beijing. The company is supplying the drug at no profit to public health systems of countries where the disease is endemic. To date, Novartis has provided more than 400 million Coartem® treatments.Tu pioneered a new approach to malaria treatment that has benefited hundreds of millions of people and promises to benefit many times more. By applying modern techniques and rigor to a heritage provided by 5000 years of Chinese traditional practitioners, she has delivered its riches into the 21st century.By Evelyn Strauss屠呦呦获Lasker临床研究奖2011年的Lasker~Debakey临床成就奖颁给了一名中国女科学家，为了表彰其对青蒿素的发现和在治疗疟疾方面的杰出贡献，这名女科学家就是中国中医科学研究院的科学家屠呦呦。

屠呦呦英文介绍PPT课件

.
8
• For the sake of drug safety, she had personally taking tests，which led to her liver poisoning, but she still kept on working, regardless of picking samples in the wild, or in the indoor experiment study.
.
9
Inspiration
• Achieving modernization of TCM through science and technology. Tu‘s success shows that TCM has to embrace modern technologies and laboratory tools and, more important, stick to the essence of the time-honored medical science, practicing innovation when using TCM theories. Tu's Nobel Prize will prompt more basic scientific research into ancient TCM texts and ways to explore research findings.
• TCM: traditional Chinese medicine
• WM: western medicine
.
2
• Her discovery of artemisinin and its treatment of malaria is regarded as a significant breakthrough of tropical medicine in the 20th century and health improvement for people of tropical developing countries in South Asia, Africa, and South America. For her work, Tu received the 2011 Lasker Award in clinical medicine and the 2015 Nobel Prize in Physiology or Medicine .

屠呦呦英语课文

屠呦呦英语课文Tu Youyou has become the first female scientist of the Peoples Republic of China to receive a Nobel Prize,awarded for her contribution to the fight against malria, one of the deadliest diseases in human history. Thanks to her discovery of qinghaosu, malaria patients all over the world now have had a greatly increased chance of survival.屠呦呦成为中华人民共和国首位获得诺贝尔奖的女科学家。

她获奖是因为她为抗击疟疾所做出的贡献——疟疾是人类历史上最致命的疾病之一。

得益于她发现的青蒿素，如今全世界疟疾患者的存活率大大提高。

Born in 1930, in Ningbo, Zhejiang Province, Tu studied medicine at university in Beijing between 1951 and 1955. After graduation, she worked at the Academy of Traditional Chinese Medicine. She completed further training courses in traditional Chinese medicine,acquiring a broad knowledge of both traditional Chinese medicine and Western medicine.1930年，屠呦呦出生于浙江宁波。

1951年至1955年，屠呦呦在北京读大学，学习药学。

高中英语人教版新课标课件必修五 Unit 1 Great scientists Section Ⅰ

9．
vt.
打败；战胜；使受挫
n.
失败
10.
vt.
照顾；护理；出席；参加
11．
n.
治愈；痊愈
vt.
治愈；治疗
12．
vt.
认为；怀疑
n.
被怀疑者；嫌疑犯
13．
vt.Βιβλιοθήκη 宣布；通告14．vt.& vi. 结束；推断出
【答案】 1.challenge 2.absorb 3.foresee 4．handle 5.science 6.pollute
1．pharmaceutical adj. 2．pharmacist n. 3．malaria n. 4．be regarded as 5．breakthrough n. 6．laureate n. 7．exclusively adv.
制药的药剂师疟疾被认为…… 突破获奖者专门地
1．Why is Tu Youyou's discovery of artemisinin important? 2．Did Tu Youyou receive all the 2015 Nobel Prize in Physiology or Medicine?
【答案】 1.Because it has saved millions of lives. 2．No.
•11、即使是普通孩子，只要教育得法，也会成为不平凡的人。 •12、首先是教师品格的陶冶，行为的教育，然后才是专门知识和技能的训练。 •13、儿童是中心，教育的措施便围绕他们而组织起来。 •14、孩子在快乐的时候，他学习任何东西都比较容易。 •15、生活即教育，社会即学校，教学做合一。 •16、当在学校所学的一切全都忘记之后，还剩下来的才是教育。2021年10月26日星期二2021/10/262021/10/262021/10/26 •17、播种行为，可以收获习惯；播种习惯，可以收获性格；播种性格，可以收获命运。2021年10月2021/10/262021/10/262021/10/2610/26/2021 •18、我们发现了儿童有创造力，认识了儿童有创造力，就须进一步把儿童的创造力解放出来2021/10/262021/10/26October 26, 2021 •19、人自身有一种力量，用许多方式按照本人意愿控制和影响这种力量，一旦他这样做，就会影响到对他的教育和对他发生作用的环境。 2021/10/262021/10/262021/10/262021/10/26

屠呦呦英语作文人物介绍

屠呦呦：青蒿素的发现者，中医药的璀璨明星Tu Youyou, a renowned Chinese scientist and therecipient of the Nobel Prize in Physiology or Medicine in 2015, has made significant contributions to the field of medical science with her groundbreaking discovery of artemisinin, a drug that has saved millions of lives from malaria. Her journey to this remarkable achievement beganin the 1970s, when malaria was a widespread and deadly disease in China.Tu Youyou's journey to discovering artemisinin was not an easy one. She faced numerous challenges and setbacks in her research, but her determination and perseverance paidoff in the end. Her team screened thousands of traditional Chinese medicinal herbs and eventually identifiedartemisinin as a potential treatment for malaria. This discovery marked a significant milestone in the fight against malaria and has since been recognized as one of the most important medical breakthroughs of the 21st century.Tu Youyou's dedication to her research and her commitment to improving global health are truly commendable.She has spent decades studying and refining the extraction process of artemisinin, ensuring that it is as effectiveand safe as possible. Her work has not only saved millionsof lives but has also provided a new direction for the development of traditional Chinese medicine.Her legacy is not just in the discovery of artemisinin, but also in her unwavering belief in the potential of traditional Chinese medicine. She has championed the causeof integrating traditional Chinese medicine with modern medical science, believing that the two can complement each other to create more effective and sustainable healthcare solutions.Tu Youyou's story is an inspiration to us all. She has shown that with dedication, perseverance, and a deep belief in one's cause, one can make a significant impact on global health. Her life's work is a testament to the power of science and the potential of traditional medicine toimprove the lives of people across the globe.屠呦呦，这位荣获2015年诺贝尔生理学或医学奖的中国著名科学家，以她开创性的青蒿素发现，为医学科学领域作出了巨大贡献。

tu-lecture-slides-屠呦呦诺奖演讲PPT

(Back side)
Archive, Institute of Chinese Materia Medica
4
The Molecular Structure and the Stereo-structure of Artemisinin
5
6
7 7
Molecular Structures of Artemisinin and its Derivatives
WHO World Malaria Report 2014
18
Spread of P. falciparum Resistance to Artemisinin
Ashley E A et al, Spread of Artemisinin Resistance in Plasmodium falciparum Malaria N Engl J Med. 2014, 371(5): 411–423
Artemisinin– A Gift from Traditional Chinese Medicine to the World
Tu Youyou Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
Chinese medicine and pharmacology are a great treasure-house. We should explore them and raise them to a higher level
Hand writing by Mao Zedong
21
On the stork tower, Wang Zhihuan (Tang dynasty)

屠呦呦英文introduction

• devoted to the research of the combination of traditional Chinese medicine and western medicine
• won the Nobel Prize in 2015.
be awarded (with)
• Tu is the first citizen of the People's Republic of China to receive the Nobel Prize in natural sciences.
Inspiration
• She made a difference to the progress of medicine science and human society. It is worthwhile to learn from her.
It's my great honor to introduce a great woman of achivement ,Tu Youyou, to all of you.
After hundreds of failures, she finally discovered the medicine called artemisinin, which makes it possible for people to get rid of maralia.
• She made a difference to the progress of medicine science and human society. It is worthwhile to learn fromaria research - artemisinin

高中英语人教版新课标课件必修五 Unit 1 Great scientists Section Ⅰ

7.instruct 8.link 9 ． defeat 10.attend 11.cure 12.suspect 13 ． announce
14.conclude
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看单词学构词 fore为表示“先；预先；在……的前部”含义的前缀，常加在动词，名词
和形容词前。常见的有：forecast vt.& n．预报；预测；forecaster n．天气预报员；气象预报员；forefather n．祖先，祖宗；forearm n．前臂；foreseeable adj.可预料
．.. blame
．..
在……上把……标出来该受责备；应负责将……和……联系或连接起来调查减速；减缓
【答案】 1.forward 2.a 3.to 4.of 5.a 6.on 7．to 8.to 9.into 10.down
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根据提示补全下列教材原句
1．John Snow was a famous doctor in London－
first citizen of the People's Republic of China to receive the Nobel Prize in natural sciences，as well as the first Chinese person to receive the Lasker Award.She was born and educated and carried out research exclusively in China.
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For her work，Tu received the 2011 Lasker Award in clinical medicine and the 2015 Nobel Prize in Physiology or Medicine jointly with William C．Campbell and Satoshi Omura.Tu is the first Chinese Nobel laureate in physiology or medicine and the

Unit6lesson1AMEDICALPIONEER课件-广东省高一英语北师大版(2019)必修二

vomit v. 呕吐
AIDS n. 艾滋病
artemisinin n. 青蒿素 vaccine n. 疫苗
( ) People suffer from high fever, serious
vomiting and terrible headaches when
they have the disease.
( ) Malaria kills over 1,000,000 people a year
– more people than any disease apart
AIDS.
malaria n. 疟疾 infectious adj. 传染的
vomit v. 呕吐
AIDS n. 艾滋病
artemisinin n. 青蒿素 vaccine n. 疫苗
Alexander Fleming.
What these pioneers are remembered for？ Christopher Columbus discovered a new continent; Neil Armstrong was the first man to set foot on the Moon; Alexander Fleming discovered penicillin, which is used in antibiotics
FACTS ABOUT MALARIA
( ) Malaria is a mosquito-borne and
infectious disease.
( ) The word “malaria” comes from the
Latin word for “bad air”.
malaria n. 疟疾 infectious adj. 传染的

人物英文写作介绍屠呦呦

hed of her.
书面表达：
中国女药学家屠呦呦在2015年获得了诺贝尔医学奖，中国人的骄傲。请根据提示介绍屠呦呦的故事。提示： 1、屠呦呦，女，药学家。1930年12月30日生于浙江宁波.1951 年考入北京医科大学。毕业后，她投入到治疗疟疾的研究中。 2、她非常地刻苦，谦虚。因为发现了青蒿素在2015年获得了诺贝尔医学奖。 3、你对屠呦呦的评价。要求：包括以上提示内容，可适当添加细节，字数不少于80字。药学家 Pharmacologist / herbal expert 疟疾 malaria 青蒿素 artemisinin 诺贝尔医学奖 Nobel Prize in medicine
discovered artemisinin, which is of great
significance for curing malaria.
Tu Youyou , the first Chinese citizen to win a Nobel Prize in Medicine, is hardworking and modest. Her discovery is seen as a big contribution to the human
范文
Tu Youyou, a great pharmacologist of my
country, was awarded the 2015 Nobel Prize in Medicine for her discovery of artemisinin. Born in Ningbo ，Zhejiang Province on December 30th in 1930, she was admitted
into Beijing Medical College in 1951.

屠呦呦英文作文介绍简单

屠呦呦英文作文介绍简单Title:Introduction to Tu Youyou in EnglishTu Youyou is a renowned Chinese scientist who won the Nobel Prize in Physiology or Medicine in2015for her groundbreaking work in discovering artemisinin,a drug for treating malaria.Born in1930in Zhejiang,China,Tu Youyou dedicated her life to researching traditional Chinese medicine and finding a cure for malaria.Her discovery of artemisinin has saved millions of lives around the world and revolutionized the treatment of malaria.I am Tu Youyou.I am a Chinese scientist who won the Nobel Prize in Physiology or Medicine in2015for discovering artemisinin,a drug for treating malaria.I was born in Zhejiang,China in1930.My research on traditional Chinese medicine led to the breakthrough discovery of artemisinin,which has helped save millions of lives.I am honored to have made a significant contribution to the field of medicine and am grateful for the recognition I have received.屠呦呦是一位著名的中国科学家，她于2015年获得了诺贝尔生理学或医学奖，因为她发现了青蒿素，这是一种治疗疟疾的药物。

屠呦呦介绍-TUYOUYOU英文课件 PPT精品课件

To describe people of achievement 1. collect objective stories [words and expressions] would not acknowledge defeat; insist on fearless; committed; persistent; patient; confident; determined
Work in groups of four, share your ideas and state your reasons.
artemisinin
team members Tu Youyou
government
teachers
family members
those involved (涉及的) yet unknown
ancient Chinese
My Science Icon
Word came that Tu Youyou, Albert Einstein, Marie Curie and Alan Turing were nominated(提名) BBC's Greatest Scientist of the 20th Century.
experiment
review
The project got stuck.
Comparison
However, Tu Youyou would not acknowledge defeat. However, Tu Youyou did not acknowledge defeat.
Quick review The road to artemisinin discovery
Welcome to Tracy's class!

屠呦呦英文介绍(课堂PPT)

高考英语最新阅读作文新闻素材课件-BBC介绍屠呦呦PPT优秀课件

屠呦呦英文介绍课堂

高中英语人教版新课标课件 必修五 Unit 1 Great scientists Section Ⅰ

屠呦呦英文介绍课件

屠呦呦获奖英文介绍

屠呦呦英文介绍PPT课件

屠呦呦英语课文

高中英语人教版新课标课件 必修五 Unit 1 Great scientists Section Ⅰ

屠呦呦英语作文人物介绍

tu-lecture-slides-屠呦呦诺奖演讲PPT

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高中英语人教版新课标课件 必修五 Unit 1 Great scientists Section Ⅰ

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