雅思词汇语法

1)to be of worth Evaluate Undervalue devalue 2)to be strong Valiant Valor Prevail — Prevalent —prevalence 3)to be effective Valid Validate —validation
1)to be of worth Evaluate [ ɪˈvæ ljueɪt ] vt.评价; 对…评价; vi.评价，估价 I can't evaluate his ability without seeing his work. 我没有看到他的工作情况,无法评论他的能力。 Don't evaluate a person on the basis of appearance.
Unbelievable [ ˌʌnbɪˈli:vəbl ] adj.不可相信的; 站不住脚的; （由于太好或太糟而） 令人难以置信的 It was an unbelievable moment when Chris won the gold medal. 克里斯赢得金牌的那一刻令人不可思议。 Credulity n.轻信,易受骗 He is known for his credulity. 他是个有名的棉花耳朵。
3)to be effective Valid [ ˈvæ lɪd ] adj.有效的; 有法律效力的; 正当的; 健全的 valid contract /will/passport It is valid to consider memory the oldest mental skill Validate [ ˈvæ lɪdeɪt ] vt.使合法化，使有法律效力; 使生效; 批准，确认; 证实 Validate a theory 证实理论 Validate a contract 使合同生效 The Academy Awards appear to validate his career. 奥斯卡金像奖似乎是对他事业的肯定。 validation[ˌvæ lɪ'deɪʃn] n.确认; 合法; 证实;
Undervalue [ ˌʌndəˈvæ lju: ] vt.估价过低; 轻看 We must never undervalue freedom.
Devalue[ ˌdi:ˈvæ lju: ] vt.使（货币）贬值; 贬低 vi.（货币）贬值 We are not going to devalue the pound. 我们不会让英镑贬值， It's unfair to devalue anyone's work.
2)to be strong Valiant[ ˈvæ liənt ] adj.勇敢的，英勇的; 坚定的 n.勇敢的人，勇士
Valiant warriors The valiant Valor n.勇猛，英勇
Prevail [ prɪˈveɪl ] vi.流行，盛行; 获胜，占优势; 说服，劝说 Prevail in/among sth 普遍存在，流行 Similar situation prevails in America 相似的情况在美国随处可见。 Those beliefs still prevail among certain social groups.
1)to be of worth Evaluate Undervalue devalue 2)to be strong Valiant Valor Prevail — Prevalent
3)to be effective Valid Validate —validation
词源单词串记： Cred来自拉丁文credere cred=to believe
credible Incredible Unbelievable Accredit —Accredited Credulity Incredulous Creed
credible [ ˈkredəbl ] adj.可信的，可靠的; Mr Robertson would be a credible candidate. 罗伯逊先生将是可能当选的候选人之一。 Offer you a credible scheme Incredible [ɪnˈkredəbl] adj.难以置信的; 不可思议的; 惊人的; 未必可能的; The incredible beauty of a snowflake 雪花难以置信的美丽 It is incredible that 难以想象… Awesome /gorgeous /fantastic /wonderful
preach one'wenku.baidu.com creed
credible Incredible Unbelievable Accredit —Accredited Credulity Incredulous Creed
基础词汇：Value [ˈvæ lju:] n.价值，价格; 意义，涵义; 重要性; vt.评价; 看重; 估价，给…定价; 词根词源： val、vail 来源于拉丁文: (1)to be of worth (2)to be strong (3)to be effective
Accredited [əˈkredɪtɪd] adj.公认的; 可接受的; 可信任的; 质量合格的; find accredited travel agents to guide you on your holiday plans. 找到可信任的旅行社安排你的假期。
Incredulous [ɪnˈkredjələs] adj.表示怀疑的，不相信的 There was a brief, incredulous silence. 有一段短暂的充满怀疑的沉默。 People nowdays are incredulous about ghosts and witches. 现在的人们对鬼和巫婆都不相信了。
Accredit [əˈkredɪt] vt.归因于; 委托，授权; 相信，认可;鉴定合格，确认达标; We accredit the invention of the telephone to bell. 我们把电话的发明归功于贝尔。 The president will accredit you as his assistant. 董事长将任命你做他的助理。
基础词汇：Credit vt.信任，把…归于；付款入账 n.赞扬，称道；及格证，学分；贷款额（信用度） Now he needs only two credit hours to graduate. A television that we bought on credit two months ago. 我们两个月前赊购的电视机.
Prevail over/against sth 被接受,被压倒 Justice will prevail over evil.
Prevalent[ ˈprevələnt ] adj.流行的，盛行的; 普遍存在的，普遍发生的 盛行的; 普遍存在的，普遍发生的 Smoking is becoming increasingly prevalent among younger women. 抽烟在年轻女性中变得越来越常见。 Prevalence ['prevələns] n.流行 盛行 The prevalence of…
Creed [ kri:d ] n.（尤指宗教）信条，教义; 主义，纲领; 宗派 This is an indispensable part of his creed. 这是他的信条中必不可少的一部分. The centre is open to all, no matter what race or creed. 该中心向所有人开放，不论种族和宗教信仰如何。