founder effect的用法和样例：

例句

Conditions for observing the sleeper effect have been debated.睡眠者效应产生的条件也被反复探究。
It is related to the concept of a founder effect, since small populations often undergo bottlenecks.边域性物种形成与奠基者效应的观念有关，因为小的群体往往要经历瓶颈效应。

Placebo Effect Update

By Nancy Steinbach Broadcast: November 19, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. When scientists want to test the effectiveness of a new drug, they usually divide

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VOA2003（下）-环境与健康

2017年CRI China's ban on ivory trade comes into effect

A major step toward reducing elephant poaching has been made in China, with a new ban on ivory trading coming into effect. Under the new regulations, its now set to become illegal to process or sell ivory or ivory products in China. CRI's Guan Chao h

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2017CRI中国国际广播电台

每日一词【753】side effect：副作用

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示，Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革，但是又担心改革可能带来的副

发表于:2019-02-05 / 阅读(57) / 评论(0)

英语每日一词

温室效应 The Greenhouse Effect

As the development of the society, people want to conquer the environment, they use the high technology to change the environment, when people are satisfied with what they did to the nature, the nature is starting to teach human being a lesson. In th

发表于:2019-02-06 / 阅读(53) / 评论(0)

英语作文

学个词Learn a Word 第753期 side effect

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英语单词荟萃

Pope leaves Vatican, resignation takes effect

VATICAN CITY, Feb.28 (Xinhua) -- The resignation of Pope Benedict XVI came into effect at 8 pm local time (1900 GMT) on Thursday, who had left the Vatican by helicopter for the papal vacation retreat in south Rome earlier in the afternoon. The pope h

发表于:2019-02-17 / 阅读(58) / 评论(0)

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学英语单词

bis(1-methylamyl) sodium sulfosuccinate