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TED演讲:书呆子教你如何在线学习(9)

And lastly, here's Destin, from Smarter Every Day, 最后是《每天聪明一点点》的德斯丁， talking about the conservation of angular momentum, and, since it's YouTube, cats: 为我们讲述动量守恒，由于是在YouTube上，所以他用

发表于:2018-12-30 / 阅读(57) / 评论(0)

TED演讲科技篇

英语语法：171 Everybody: Singular or Plural

Grammar Girl here. Today well be talking about indefinite pronouns such as everyone and somebody. Now, guest-writer Bonnie Trenga writes, Everyone Versus Everybody Lately, listeners have asked a lot of questions about indefinite pronouns, such as eve

发表于:2019-01-02 / 阅读(58) / 评论(0)

英语语法 Grammar Girl

英语语法：97 Between Singular and Plural Nouns

Grammar Girl here. Today guest-writer Bonnie Trenga will help us talk about tricky sentences that make you question whether you should use a singular or plural verb. Today were talking about a tricky kind of sentence that causes you to make a mistake

发表于:2019-01-02 / 阅读(67) / 评论(0)

英语语法 Grammar Girl

英语语法：48 Everybody: Singular or Plural

发表于:2019-01-06 / 阅读(63) / 评论(0)

英语语法 Grammar Girl

英语语法：51 Generic Singular Pronouns

Grammar Girl here. Today's topic is generic personal pronouns. Nolan in Victoria, British Columbia, asked the following question: Just wondering about whether to use she or he in terms of giving examples. Since she was written out of the literature f

发表于:2019-01-07 / 阅读(57) / 评论(0)

英语语法 Grammar Girl

英语听力：探索发现 2014-05-30 BBC 地平线：陨石的真相-9

Itsremarkable how we are able to build up this picture of whats going on millionsof miles away in the solar system. Its one of the joys of science really, justalmost like a detective picking up on those tiny clues to tell a bigger story. Sothat the b

发表于:2019-01-23 / 阅读(60) / 评论(0)

探索与发现2014年

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abigail

absolute assignment

adiantum capillus - veneris

aeciotelium

Aidia shweliensis

air route (weather) forecast

amalosis

arylalkoxysilane

as cold as a stone

automatic air-traffic control equipment

Bacillus subtillis