类显性

大千世界:狗训练

If you read dog-training books or watch dog trainers on television, you've probably learned that to control your dog, you have to display dominance. It's commonly thought that because dogs are pack animals, they live according to dominance hierarchie

发表于:2018-12-07 / 阅读(81) / 评论(0)

大千世界

数学英语 23 What are the Range and Standard Deviation?

by Jason Marshall Weve now talked about three methods for calculating average values: the mean, median, and mode (affectionately known as the three Ms). So, are we done? Is that everything we could ever want to know about interpreting average values?

发表于:2018-12-07 / 阅读(72) / 评论(0)

数学英语

SSS 2011-10-05

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

发表于:2019-01-08 / 阅读(72) / 评论(0)

Scientific American(十)月

VOA标准英语2010年-Our World – 2 January 2010

VOA's Weekly Science and Technology Magazine Art Chimes 05 January 2010 MUSIC: Our World theme This week on a special edition of Our World, some of our favorite stories of the past year ... including a high-tech wrinkle to that humblest of building m

发表于:2019-01-23 / 阅读(45) / 评论(0)

VOA标准英语2010年(一月)

宽脸男更强势？研究表明脸型决定性格

If youre a man who struggles to get his own way at home, it may be down to the shape of your face. 如果你是个在家总坚持自己个性的男人其原因可能是你的脸型使然。 Men with narrower skulls are less likely to be regarded as d

发表于:2019-02-03 / 阅读(37) / 评论(0)

阅读空间

英语听力精选进阶版 370

David Luiz, Le Havre and Fifa's Latest Fiasco FRI 29 JAN 2016 David Luiz on Paris Saint Germain's dominance of the French league

发表于:2019-02-24 / 阅读(138) / 评论(0)

英语听力精选进阶版

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学英语单词

a think

abnormal thinking

anticipated profile

arithmetic and logical unit

attached support program

ausubel

axial ventilation hole

B. & V.

basic automatic checkout equipment

Belly of the Whale

bent for