[网络] 后胚胎

News Spotlight

News Spotlight POLITICS In a 1)rambling hour-long radio interview, Russian presidential candidate Ivan Rybkin suggested on Wednesday that for at least part of his five-day absence in Ukraine, he was h

发表于:2018-11-28 / 阅读(186) / 评论(0)

疯狂英语2004年

EXPLORATIONS - Wiley Post: The First Pilot to Fly Around the

EXPLORATIONS - Wiley Post: The First Pilot to Fly Around the World Alone By Paul Thompson Broadcast: Wednesday, September 14, 2005 ANNOUNCER: Now the VOA Special English program, Explorations. Today S

发表于:2018-12-01 / 阅读(150) / 评论(0)

Explorations

Lesson 18 Is It Near the Post Office?

Mary: Excuse me. Can you tell me the way to the train station, please? Jack: Sure. It's only three blocks down the street. Mary: Is it near the post office? Jack: No. It's next to the fire station. Mar

发表于:2018-12-08 / 阅读(511) / 评论(0)

赖世雄初级美国英语

未来的baby

Imagine being able to override Mother Nature and hand-pick the physical appearance and intellectual traits of your unborn child. Well, thanks to modern science, what may seem far-fetched now could be

发表于:2018-12-11 / 阅读(76) / 评论(0)

万花筒2006年

新目标初中英语七年级下--Unit 1 Where's the post of

Unit 1 Where's the post office? [00:44.93]SECTION A activity 1b.Listen and circle the places you hear in la. [01:31.95]Activity 2b.Listen and fill in the blanks with the words in the box. [01:40.44]1.The library is ____the video arcade and the superm

发表于:2018-12-13 / 阅读(265) / 评论(0)

新目标初中英语七年级

六人行FriendsMP3 4-12

The One With The Embryos -------------------------------------------------------------------------------- Written by: Jill Condon & Amy Toomin Transcribed by: Eric Aasen ------------------------------

发表于:2019-01-01 / 阅读(59) / 评论(0)

六人行—第1-5季

85. Post Haste

My husband asked me to go to the post office to mail his resume in anticipation of a job interview. He instructed me to send it the fastest way possible. Struck by the urgency in his voice, I grabbed

发表于:2019-01-03 / 阅读(125) / 评论(0)

英汉幽默故事选读

32. 12 Post Cards

My teen-age daughter was preparing to return home after having visited her grandparents for a few weeks one summer. Her grandfather gave her 12 post cards .

发表于:2019-01-04 / 阅读(122) / 评论(0)

英汉幽默故事选读

How far should science go to help the sick and the suffering

Jackie: Welcome to BBC Learning English dot com and Insight Plus - a series first broadcast in 2001 that looks at the language of issues you hear about in the news. How far should science go to help the sick and the suffering? Today on Insight Plus,

发表于:2019-01-07 / 阅读(157) / 评论(0)

英语讨论

SSS 2009-07-10

This is Scientific American's 60-Second Science, I'm Cynthia Graber. This will just take a minute. It sounds like the title to a Rudyard Kipling tale: how the turtle got its shell. But its actually a question that has puzzled scientists. After all, n

发表于:2019-01-08 / 阅读(114) / 评论(0)

Scientific American(七)月

美联社新闻一分钟 2007-04-11

1. Larry Birkhead says DNA tests prove he is the father of Anna Nicole Smith's infant daughter. He emerged triumphant from a closed hearing in the Bahamas to announce the results. Dannielynn could inherit a fortune in the wake of her mother's death

发表于:2019-01-08 / 阅读(127) / 评论(0)

美联社新闻一分钟2007

超级富豪也将成为健康超人

If the human genome is the book of life, then Crispr technology is its Microsoft Word. The cut-and-paste technique, invented only three years ago, can be used on fledgling genomes to snip out bits of DNA and, if required, insert new stretches. 如果说

发表于:2019-01-08 / 阅读(84) / 评论(0)

英语新闻

VOA慢速英语 2008 1112a

This is the VOA Special English Health Report. Bethesda, Maryland, near Washington, D.C., is home to the National Institutes of Health. N.I.H. calls itself the Nation's Medical Research Agency. But it supports research worldwide with its budget of a

发表于:2019-01-11 / 阅读(96) / 评论(0)

VOA慢速英语2008年（十一）月

美国国家公共电台 NPR Exclusive: Inside The Lab Where Scientists Are Editing DNA In Human Embryos

AILSA CHANG, HOST: Scientists recently made headlines when they announced they had figured out how to edit DNA in human embryos for the first time. This week, the scientists invited NPR health correspondent Rob Stein into their lab in Portland, Ore.,

发表于:2019-01-16 / 阅读(123) / 评论(0)

2017年NPR美国国家公共电台8月

美国国家公共电台 NPR Breaking Taboo, Swedish Scientist Seeks To Edit DNA Of Healthy Human Embryos

Breaking Taboo, Swedish Scientist Seeks To Edit DNA Of Healthy Human Embryos play pause stop mute unmute max volume 00:0004:12repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or updat

发表于:2019-01-16 / 阅读(82) / 评论(0)

2016年NPR美国国家公共电台9月

美国国家公共电台 NPR The Chimera Quandary: Is It Ethical To Create Hybrid Embryos?

The Chimera Quandary: Is It Ethical To Create Hybrid Embryos? RAY SUAREZ, HOST: Now it's time for our regular feature Words You'll Hear, where we try to understand what's happening in the news by parsing some of the words associated with it. This wee

发表于:2019-01-17 / 阅读(95) / 评论(0)

2016年NPR美国国家公共电台8月

男女通用避孕药即将问世

A contraceptive pill that could be taken by men as well as women could be on the horizon. 一种男女通用的避孕药即将问世。 A breakthrough in the understanding of the biology of sperm could lead to a unisex version of the Pill, US governm

发表于:2019-01-19 / 阅读(181) / 评论(0)

实用英语

65岁准妈妈怀上四胞胎

A 65-year-old Berlin woman who already has 13 children is pregnant again with quadruplets, Germany's RTL broadcaster reported on Sunday. 4月12日，据德国RTL电视台报道，柏林一名65岁的女性怀上了四胞胎，而此前她已经孕育了

发表于:2019-02-05 / 阅读(75) / 评论(0)

阅读空间

将来生孩子不再需要妈妈？

Scientists say early experiments suggest it may one day be possible to make babies without using eggs. 科学家称，早期实验表明，将来某一天或许不需要卵子就能孕育出婴儿。 They have succeeded in creating healthy baby mice

发表于:2019-02-17 / 阅读(89) / 评论(0)

阅读空间

经济学人:基因编辑技术的应用、争议和未来(1)

Leaders 社论 Gene editing 基因编辑 The baby crisperer 婴儿保险盒 A Chinese scientist claims to have edited the genomes of two babies 中国科学家声称已成功编辑两名婴儿的基因 Humanity's power to control the four-letter code

发表于:2019-02-25 / 阅读(84) / 评论(0)

经济学人综合

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学英语单词

accessible voltage drop

approximate coefficient of deviation