英语口语900句 08.01.对话.2.选购MP3

Can I help you? I'm looking for an MP-3 player. Which brand is of the highest quality? I recommend Pioneer. Which model is the best-seller? This model is very popular with ladies. May I have a look at it? Sure, it's multi-functional. Besides playing

发表于:2018-12-25 / 阅读(37) / 评论(0)

英语口语900句

SSS 2008-03-03

This is Scientific American's 60-Second Psych, I'm Christopher Intagliata, got a minute? While at Stanford in the mid-1960s, One Flew Over the Cuckoo's Nest author Ken Kesey started adding a peculiar ingredient to his home-cooked venison stew--LSD. N

发表于:2019-01-08 / 阅读(78) / 评论(0)

Scientific American(三)月

SSS 2009-06-02

Leptin is a hormone made by fat cells that tells you when you're full. If you didn't have leptin---and some people don't---youd eat way too much, get real fat and almost certainly develop diabetes. Leptin acts like a natural appetite suppressant. Kid

发表于:2019-01-08 / 阅读(76) / 评论(0)

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经济学人69:外因遗传与压力新生儿蓝调曲

Science and Technology Epigenetics and stress Baby blues 科技外因遗传与压力新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(58) / 评论(0)

经济学人科技系列

TED演讲:昭示长寿的实验(2)

Okay. 好了 So what is the daf-2 gene? 那么daf-2基因到底是什么？ Well as you know, genes, which are part of the DNA, 正如大家所知，基因是DNA的一部分 they're instructions to make a protein that does something. 它们是经编码

发表于:2019-02-14 / 阅读(49) / 评论(0)

TED演讲科学篇

美语听力 English Cafe 167

Topics: Ask an American: underage drinking; to chalk (something) up to; fluke; quite; aint; domino effect and chain reaction Words: access consistency rebellious binge drinking DUI DWI assault date rape to model sexually transmitted disease unintende

发表于:2019-02-23 / 阅读(38) / 评论(0)

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absolute stability criterion