n. 胚胎营养素

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.81]1999 Passage4 [00:07.51]When a Scottish research team startled the world [00:10.54]by revealing 3 months ago [00:12.61]that it had cloned an adult sheep, [00:14.94]President Clinton move

发表于:2018-12-01 / 阅读(320) / 评论(0) 分类 历年考研英语阅读理解

by Mignon Fogarty This week in the United States we celebrate Veterans Day, a holiday to remember the end of World War I in 1918, but the name of the holiday brings up a common question: Do we need an apostrophe in the word Veterans? The short answer

发表于:2018-12-01 / 阅读(136) / 评论(0) 分类 跟谢孟媛学语法

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(56) / 评论(0) 分类 万花筒2006年

Little girls are made of sugar and spice and, according to a study published in the journal Cell, a fierce determination to maintain their girlishness. Because it seems that a single gene keeps their ovaries from turning into testes. Scientists have

发表于:2018-12-24 / 阅读(69) / 评论(0) 分类 Scientific American(十二)月

Grammar Girl here. Today's topic is apostrophes. When I was in second grade, I lost a spelling bee because I misspelled the word its. I put an apostrophe in when I shouldn't have, and it was a very traumatic moment in my young life. So when listeners

发表于:2019-01-02 / 阅读(78) / 评论(0) 分类 英语语法 Grammar Girl

Grammar Girl here. Today's topic is tough apostrophe issues. I said it in the last episode about apostrophes, and I'll say it again: there are some confusing situations when it comes to apostrophes. For example, Christine, from Portland, Oregon; Judy

发表于:2019-01-02 / 阅读(112) / 评论(0) 分类 英语语法 Grammar Girl

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(138) / 评论(0) 分类 英语讨论

Misconception. A stunning story especially for couples having trouble having kids. One Michigan couple learning that their frozen embryos were gone, implanted into another woman by mistake. They were understandably flooded by the news -- or floored b

发表于:2019-01-08 / 阅读(103) / 评论(0) 分类 CNN2010年(五)月

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(64) / 评论(0) 分类 英语新闻

RACHEL MARTIN, HOST: Scientists doing embryo research are facing some sensitive questions over a new generation of scientific experiments, questions like how long should scientists be allowed to keep human embryos alive in their labs to study them? A

发表于:2019-01-16 / 阅读(79) / 评论(0) 分类 2017年NPR美国国家公共电台3月

ARI SHAPIRO, HOST: For the first time, scientists have altered the DNA in human embryos to make a fundamental discovery about early human development. Scientists say this proves that modifying genes and human embryos can reveal powerful insights into

发表于:2019-01-16 / 阅读(69) / 评论(0) 分类 2017年NPR美国国家公共电台9月

Now have you sinned since our last broadcast? The Catholic church is worried people aren't taking sins seriously enough. So the Vatican has decided to update its list of the seven deadly sins. But whereas the focus of the traditional sins--LUST, GREE

发表于:2019-01-30 / 阅读(144) / 评论(0) 分类 英伦广角

By Deborah Tate Washington 17 July 2006 The U.S. Senate Tuesday is expected to approve federal funding for expanded embryonic stem cell research, despite a veto threat from President Bush who opposes the idea on moral grounds. -------- On the eve of

发表于:2019-01-31 / 阅读(120) / 评论(0) 分类 2006年VOA标准英语(七月)

今天我们要学的词是catastrophe。 Catastrophe, 是灾难的意思。 Humanitarian catastrophe, 就是人道主义灾难。缅甸发生强热带风暴后,国际慈善机构乐施会警告说,缅甸已经处于一场公共健康灾难的边缘

发表于:2019-02-03 / 阅读(69) / 评论(0) 分类 英语单词荟萃

20 top predictions for life 100 years from now Last week we asked readers for their predictions of life in 100 years time. Inspired by ten 100-year predictions made by American civil engineer John Elfreth Watkins in 1900, many of you wrote in with yo

发表于:2019-02-05 / 阅读(220) / 评论(0) 分类 阅读空间

2016s word of the year was Fuuuuuuuuuuck. 2016年的年度热词是Fuuuuuuuuuuck(我勒个擦/妈了个鸡/卧槽自行翻译吧)。 In the past, Merriam-Websters Word of the Year directly corresponded to the major events of that year. 过去,韦氏年

发表于:2019-02-05 / 阅读(133) / 评论(0) 分类 英文语法词汇

Reporter: A universal two-child policy is expected to be passed by the top legislature by the end of the week as it concludes its latest bimonthly session on Sunday. The new rules would come into effect on January 1. Zhai Zhenwu, Head of the China Po

发表于:2019-02-06 / 阅读(44) / 评论(0) 分类 英语新闻

During the weekend, 2 couples and their families invited the media newspapers, TV and radio to interview them about embryo donation. The first couple had two teenage boys and the second couple had a 3-month old baby girl. Couple 1s 16 year old son wa

发表于:2019-02-06 / 阅读(74) / 评论(0) 分类 新西兰英语

Brave New World by Aldous Huxley Chapter Eight OUTSIDE, in the dust and among the garbage (there were four dogs now), Bernard and John were walking slowly up and down. So hard for me to realize, Bernard was saying, to reconstruct. As though we were l

发表于:2019-02-16 / 阅读(62) / 评论(0) 分类 有声英语文学名著

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(61) / 评论(0) 分类 经济学人综合
学英语单词
adenomatoid polyp
agricultural work
anorectal canal
anterior internal vertebral venous plexus
anti-immigrants
antidisestablishment
arithmetic line chart
arteriae collateralis radialis
asslifter
bespirting
block structured language
booth tarkington
broaden ... horizons
Bromeliaceae
bungest
call shenanigans
caste-riddens
centrifugal force casting
chaude-pisse
cherry-like hemorrhoids
circumscriptible
cogevals
commissioned buying and shipment
comunities
conaty
conical straight fluted reamer
connectors
costocolic ligament
cracked a book
credit default option
cyclorrhaphous
D.P.M.
decide on the basis of the relevant documents
dog point
dressguard
ellwands
embassy
endleofan
environmental technology
eye-pencil
fire resisting column
Forwarding Expenses
four-pack
Gardenia jasminoides
Geranium eriostemon
globular protein
groove of great superficial petrosal nerve
heat shock
identificar
illimerization
kebele
knavely
lap scale
Lazio
Leif Ericson
macromitrium angustifolium
Malaussanne
Mali Kyun
manureless
mercury type temperature relay
mero
middle lobe
modified nonthreshold logic
monteagle
morate
moving boundaries
MSQT
nien-hao
nivalic acid
non-politics
nude contraot
object information
omega hyperon
original jurisdiction
oscillatory pressure pick-up
oscillatory response of mechanical model
papillovas-culitis
passage of lines
performance audit
Phintias
pseudodominant
Renilan
salvage award
screens out
setting-in watering
singular point of congruence
spaceband
stachybotrys bisbyi
stator leakage reactance
steel sheet pile quaywall
synthetic pulse
Taanach
take a circuit
thin-stock reel
triplite
trouser trout
uld
underwater sound project
usual rate of net profit
var. a. hyaloidea
Vernonia squarrosa
would like to do something