乳化剂

Paul Rothemund:DNA魔法

Paul Rothemund正在编写一种特殊的「密码」以使DNA能自己排列成星形、笑脸及其他图案。您会为之感到震惊，但您所看到的只是分子自我排列组合的小型表演，它实际上揭示了未来制造出各种东西

发表于:2018-12-09 / 阅读(104) / 评论(0)

TED公开课:头脑游戏

2007年VOA标准英语-Former CIA Officer Testifies White House 'Reckl

By Dan Robinson Capitiol Hill 16 March 2007 Former undercover CIA officer Valerie Plame, who has been at the center of a controversy involving the role White House officials played in revealing her identity, has testified in public for the first tim

发表于:2019-01-08 / 阅读(179) / 评论(0)

2007年VOA标准英语（三月）

外研社新课标高中英语选修8MODEL5--05Lis and spe1

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发表于:2019-01-10 / 阅读(144) / 评论(0)

外研社新标准高中英语选修8

外研社新课标高中英语选修8MODEL3--03voc and lis1

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发表于:2019-01-10 / 阅读(232) / 评论(0)

外研社新标准高中英语选修8

外研社新课标高中英语选修8MODEL3--03voc and lis3

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发表于:2019-01-10 / 阅读(223) / 评论(0)

外研社新标准高中英语选修8

外研社新课标高中英语选修7MODEL6--06LisVoc2

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发表于:2019-01-10 / 阅读(139) / 评论(0)

外研社新标准高中英语选修7

外研社新课标高中英语选修7MODEL6--06LisVoc3

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发表于:2019-01-10 / 阅读(154) / 评论(0)

外研社新标准高中英语选修7

外研社新课标高中英语选修7MODEL5--05Lisvoc2

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发表于:2019-01-10 / 阅读(210) / 评论(0)

外研社新标准高中英语选修7

外研社新课标高中英语选修7MODEL5--05Lisvoc3

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发表于:2019-01-10 / 阅读(219) / 评论(0)

外研社新标准高中英语选修7

外研社新课标高中英语选修9MODEL6--06Lis and Voc2

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发表于:2019-01-10 / 阅读(158) / 评论(0)

外研社新标准高中英语选修9

外研社新课标高中英语选修9MODEL6--06Lis and Voc1

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发表于:2019-01-10 / 阅读(153) / 评论(0)

外研社新标准高中英语选修9

外研社新课标高中英语选修9MODEL4--04Lis and Voc5

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发表于:2019-01-10 / 阅读(156) / 评论(0)

外研社新标准高中英语选修9

外研社新课标高中英语选修9MODEL4--04Lis and Voc3

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发表于:2019-01-10 / 阅读(174) / 评论(0)

外研社新标准高中英语选修9

外研社新课标高中英语选修9MODEL3--03Voc and lis4

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发表于:2019-01-10 / 阅读(384) / 评论(0)

外研社新标准高中英语选修9

外研社新课标高中英语选修9MODEL3--03Voc and lis3

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发表于:2019-01-10 / 阅读(389) / 评论(0)

外研社新标准高中英语选修9

Artificial Leaf Turns Sunlight into Electric Power

Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani

发表于:2019-01-14 / 阅读(173) / 评论(0)

VOA标准英语2011年(四月)

英语语法：70 Misplaced Modifiers

Grammar Girl here. Today's topic is misplaced modifiers. Of all the writing errors you can make, misplaced modifiers are among the most likely to confuse your readers, but they're also kind of fun because misplaced modifiers can give your sentences s

发表于:2019-01-30 / 阅读(176) / 评论(0)

英语语法 Grammar Girl

揭秘新科技 Wifi信号能治病

Researchers have developed a method to activate electronic implants in the body and eliminate bacterial infections using a wireless signal。研究者已经开发了一种运用无线信号激活人体中电子植入物来消除细菌感染的方法。

发表于:2019-02-08 / 阅读(80) / 评论(0)

英语新闻

Wifi信号弱？放置地点有问题

Deciding where to place a Wi-Fi router at home to minimise signal blackspots is a fine art. But a physicist has attempted to tackle the problem by mathematically working out the optimum position for a router. He studied how walls and reflections affe

发表于:2019-02-08 / 阅读(116) / 评论(0)

英语新闻

US Identifies Marines in Urination Video

U.S. military officials say they have identified the four Marines seen on video urinating on the bodies of dead Afghan Taliban fighters. The Naval Criminal Investigative Service, heading the main inquiry into the video, has also reportedly questioned

发表于:2019-02-08 / 阅读(152) / 评论(0)

英语新闻

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学英语单词

acetylquercitrin

acid-resisting centrifugal pump

adrostral groove

Bacillus septicaemiae

bale density adjuster

continuous filtration

controlled variable deviation

crossing restriction

diphenylenimine

dominant nation chauvinism

euclimacia fusca

executive program components

fine product collector

gorge-normal plane of worm

in very good nick

iso-amylbiguanide

jeyhun (dzheykhun)

mapping ir system

Maravi Confederacy

marking pheromone

modeling modulation

multiparasitism

N-acetylglycine

open-cut development

pseudo harmonic oscillation

Pseudo-conglomerate

remaking surface

route-proving flight

shaft stationary sleeve

specified rate rules

stationary grate

steal somebody's heart

temperature programming

uncinula salmoni sydow

venae sacrales laterales

weighting operation

worker-directors