单酯酮酸

SSS 2009-01-23

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

发表于:2018-12-24 / 阅读(130) / 评论(0)

Scientific American(一)月

第38期: cap, stocking, cross, hole, fragile

说一口流利的英语，从简单的单词开始。听听，读读，背背，今天你的词汇量又增加了5个。单词/词义中英例句单词听读 cap [ kAp ] It's better to put the cap

发表于:2018-12-30 / 阅读(140) / 评论(0)

每日攻克5词

第55期: cap, hole, fragile, play, facility

说一口流利的英语，从简单的单词开始。听听，读读，背背，今天你的词汇量又增加了5个。单词/词义中英例句单词听读 cap [ kAp ] Clouds capped the woods. v

发表于:2018-12-30 / 阅读(286) / 评论(0)

每日攻克5词

美丽新世界Brave New World 第1章(7)

He rubbed his hands. For of course, they didn't content themselves with merely hatching out embryos: any cow could do that. 他搓搓手。因为当然，他们并没有以孵化出胚胎为满足：孵化胚胎是无论哪条母牛都能干的事。

发表于:2019-01-01 / 阅读(99) / 评论(0)

美丽新世界

高中英语人教版必修第三册20

[00:01.28]Miss Aurelie lived alone on the farm all her life. [00:06.82]She never thought of marring, and she had never been in love. [00:11.55]At the age of twenty she was shed to marry somebody, but she did not accept, [00:17.01]and at the age of fi

发表于:2019-01-10 / 阅读(223) / 评论(0)

高中英语人教版必修第三册

高中英语人教版必修高三20

发表于:2019-01-10 / 阅读(277) / 评论(0)

高中英语人教版必修高三

VOA标准英语10月-Australian Thinking Cap Could Unleash Our Hidden

Scientists in Australia are developing a thinking cap that could unlock our hidden genius, by switching on and off certain sections of the brain. Researchers at the University of Sydney think their experiments show that we all have hidden creative t

发表于:2019-01-13 / 阅读(176) / 评论(0)

VOA标准英语2008年（十月）

VOA标准英语2012--Caffeine Safely Stimulates Premaure Infants

Caffeine Safely Stimulates Premaure Infants Almost all babies who are born very prematurely have trouble breathing. For decades, doctors have treated them with the stimulant caffeine, even though there was little scientific evidence to justify it. Br

发表于:2019-01-13 / 阅读(134) / 评论(0)

VOA标准英语2012年(一月)

标准美语发音的13个秘诀 CD 3 Track 46

Exercise 6-4: Zbigniew's Epsilon List CD 3 Track 46 Repeat after me. 图片1 图片2

发表于:2019-01-15 / 阅读(103) / 评论(0)

标准美语发音的13个秘诀 CD3

经济学人152:攻破屏障

Science and technology 科学技术 Creutzfeldt-Jakob disease 克雅氏病 Breaking down the barrier 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-c

发表于:2019-01-26 / 阅读(172) / 评论(0)

经济学人科技系列

经济学人107:克雅氏病攻破屏障

Science and Technology Creutzfeldt-Jakob disease Breaking down the barrier 科技克雅氏病攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-cow dis

发表于:2019-01-26 / 阅读(160) / 评论(0)

经济学人科技系列

老友记第五季 09 The One with Rosss Sandwich

The One With Ross's Sandwich 本集简介： Joey lets himself look bad in order to explain away various discoveries that could expose Monica's and Chandler's relationship: underwear in Monica's sofa; a lady's razor in his shower; candlelight and vide

发表于:2019-01-27 / 阅读(167) / 评论(0)

老友记(六人行)

美丽新世界Brave New World 第5章(2)

Even an Epsilon Lenina suddenly remembered an occasion when, as a little girl at school, 即使是爱扑塞隆列宁娜想起了一件事。那时她还是小姑娘，还在学校里读书。 she had woken up in the middle of the night and become awa

发表于:2019-01-29 / 阅读(110) / 评论(0)

美丽新世界

走进耶鲁大学第18期:骷髅会(1)

Skull and Bones 骷髅会 Skull and Bones is a secret society, which was founded by William Huntington Russell and Alphonso Taft in 1832. President George H. W. Bush, his son President George W. Bush, and the latter's 2004 Presidential opponent Senat

发表于:2019-01-29 / 阅读(96) / 评论(0)

走进耶鲁大学

老友记第二季 01 The One with Rosss New Girlfriend

The One With Ross' New Girlfriend 本集简介： Rachel, ready to reveal her feelings to Ross, meets him at the airport; her plans fall apart, however, when she finds out about his new girlfriend, Julie. Chandler, already feeling guilty about reveali

发表于:2019-02-02 / 阅读(152) / 评论(0)

老友记(六人行)

老友记第四季 23－24 The One with Rosss Wedding

The One With Ross's Wedding 本集简介： Ross, Monica, Joey, and Chandler leave for London; Phoebe's pregancy prohibits travel and Rachel stays to take care of her... and to avoid the emotional strain of watching Ross get married. Joey and Chandler

发表于:2019-02-04 / 阅读(147) / 评论(0)

老友记(六人行)

老友记第三季 23 The One With Rosss Thing

The One With Ross's Thing 本集简介： Ross finds a growth on his body but can't tell what it is; neither can anyone else. He visits his doctor, Chandler's doctor, and Phoebe's guru. Phoebe dates two guys: Vince, a burly fireman, and Jason, a sensi

发表于:2019-02-04 / 阅读(198) / 评论(0)

老友记(六人行)

【有声英语文学名著】美丽新世界（1）

Brave New World by Aldous Huxley Chapter One A SQUAT grey building of only thirty-four stories. Over the main entrance the words, CENTRAL LONDON HATCHERY AND CONDITIONING CENTRE, and, in a shield, the World State's motto, COMMUNITY, IDENTITY, STABILI

发表于:2019-02-16 / 阅读(292) / 评论(0)

有声英语文学名著

经济学人185:电子商务与数据安全数据大失窃

Business 商业报道 E-commerce and data security 电子商务与数据安全 The phishers' big catch 数据大失窃 A large theft of company e-mail lists causes controversy 众公司电子邮件名单遭遇严重失窃引发争论 AN OUTRAGED cons

发表于:2019-02-16 / 阅读(98) / 评论(0)

经济学人商业系列

Debut for newcomers and 100th cap for Gerrard

LONDON, Nov. 14 (Xinhua) -- Liverpool's teenager winger Raheem Sterling is set to make his debut for England while his club teammate and captain Steven Gerrard is expected to earn the 100th cap in England's friendly against Sweden in Stockholm on Wed

发表于:2019-02-18 / 阅读(148) / 评论(0)

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4-h cooperative farm management project

bar primary bushing type current transformer

basket-ball

biomass energy conversion

boat arrangement

branch and link