随机遗传漂变

Sleepwalking

Alice: Hello, I'm AliceStephen: And I'm Stephen. Alice: And this is 6 Minute English! This week were talking about sleepwalking. Have you ever walked in your sleep, Stephen? Stephen: I dont think so, but Ive been known to tell stories in my sleep. Al

发表于:2018-11-29 / 阅读(127) / 评论(0)

六分钟英语

SSS 2008-03-19

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Ants are known for working together, operating as a unit for the good of the colony. But not so fast, say researchers from the Universities of Leeds an

发表于:2019-01-08 / 阅读(65) / 评论(0)

Scientific American(三)月

SSS 2010-11-11

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Ah, daydreaming. Is there anything more pleasant than sitting back and letting your thoughts drift? Well, yes: not letting your thoughts drift, for one.

发表于:2019-01-08 / 阅读(36) / 评论(0)

Scientific American(十一)月

美联社新闻一分钟 2006-04-28

1. The sole survivor of the Sago Mine tragedy, Randy McCloy, released a letter detailing the last hours of the 12 miners who did not make it out. In the letter, McCloy talked about trying to signal th

发表于:2019-01-08 / 阅读(106) / 评论(0)

美联社新闻一分钟2006

爱情的科学－这些愚蠢的玩意儿

These foolish things / 这些愚蠢的玩意儿 Of course, love is about more than just genes. Cultural and social factors, and learning, play big roles. Who and how a person has loved in the past are

发表于:2019-02-04 / 阅读(47) / 评论(0)

阅读空间

GRE填空和阅读题的同义词汇总

ETS所寻求的变化，在反义重复方面变化空间并不大，无非是把词汇变得难一些，因为对立二分的概念还是很容易分辨的。在同义重复方面，ETS的变化空间就要大得多，因为同样一个意思可以用

发表于:2019-03-11 / 阅读(112) / 评论(0)

GRE英语

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学英语单词

anticyclonic vorticity advection (ava)