胚胎出生前死亡

[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(395) / 评论(0) 分类 历年考研英语阅读理解

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(112) / 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(124) / 评论(0) 分类 Scientific American(十二)月

妈妈怀孕总是让周围的人都兴奋不已,许多第一次怀孕的妈妈可能会特别紧张不知所措。今天我们要来看看怀孕期间会用到哪些英文词句,和你的海外朋友分享喜悦的同时也别忘了留言告诉我

发表于:2018-12-26 / 阅读(101) / 评论(0) 分类 美国文化脱口秀

A new report shows the number of babies born prematurely has been increasing in the United States since 2014. The report by the National Center for Health Statistics says preterm births have increased by 2 percent in 2016 and 1.6 percent in 2015 afte

发表于:2019-01-02 / 阅读(109) / 评论(0) 分类 2017年VOA慢速英语(七)月

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(207) / 评论(0) 分类 英语讨论

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(124) / 评论(0) 分类 英语新闻

I'm at a loss for words,用来表达不知说什么好,无话可说,哑口无言。 例句: I'm at a loss for words , How dare you accuse me of stealing . 我真不知道该说什么好,你怎么会怀疑是我偷窃呢。 This is the most

发表于:2019-01-08 / 阅读(178) / 评论(0) 分类 美国俚语

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(148) / 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(139) / 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(203) / 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(226) / 评论(0) 分类 2006年VOA标准英语(七月)

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(276) / 评论(0) 分类 阅读空间

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(114) / 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(137) / 评论(0) 分类 新西兰英语

Want motivation on weight loss? Dont rely on your willpower! Controversial advice I know, but there is psychological proof for it, so please bear with me and Ill explain. Most advice youll hear about how to get motivated and keep motivated when losin

发表于:2019-02-13 / 阅读(177) / 评论(0) 分类 阅读空间

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(124) / 评论(0) 分类 有声英语文学名著

WASHINGTON, Nov. 14 (Xinhua) -- Nearly a fifth of all Americans 12 years or older have hearing loss so severe that it may make communication difficult, according to a new study led by Johns Hopkins University researchers and published Monday in the A

发表于:2019-02-18 / 阅读(149) / 评论(0) 分类 英语新闻

The largest U.S. bank, JPMorgan Chase, says it lost $5.8 billion in bad trades this year, nearly triple its original estimate. The Wall Street investment bank said two months ago it estimated that losses originating in its London trading office would

发表于:2019-02-18 / 阅读(163) / 评论(0) 分类 英语新闻

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(113) / 评论(0) 分类 经济学人综合
学英语单词
above grade
advance of periastron
agogo
Albert R.
alcohol motor fuel
alizarin bordeaux
alpha ray isotope
androstenolone
angelovski
Ao(u)zou Strip
arrer
Astalak
beamstrid
beet planter
bufotoxin
cannery
cargo carrier
cocollection
codlin moth
common fishery
condylus maxilla
consideration
Cotton-belt climate
curved airfoil
Cusuta
decontamination factor
Delmarva
ditzes
Eostaffella
Ereshkigal
euphaedusa eumegetha
field of a picture specification
fossae jugularis
friction pad holder
giloure
Glaucocystophyceae
grade-A,Grade-A
group-address message
hansom cab
hexafluoride
hydraulically-driven transverse propeller
inquiry character
introducee
Italian wedding soup
kazuaki
leaped in
leucaemic
little auks
loop-like root
low-flying
luminosity mass
macrocell
Mahamath
mass-spectrograph
materials inventory budget
mesothelia
metastable population
Mindel Glacial Stage
motti
netscape public license
off-impedance
one wheel plow
oyster farm
paintabler
par rate
passive antenna
per-use
piperidinyl
plate brake
Polygala elegans
portable lamp
repawn
reservoir performance analysis
Saxifraga elliptica
sbrefa
sedater
selective identification
series-parallel connection
shorlings
shorthandedly
single-phase titanium alloy
something for you
stationary vane
suffraganean
suicide Tuesdays
sulci interventricularis dorsalis
super-sizes
Swedish language
symmorphic
tournefortia sarmentosa lam.
trichochlamydocarcinoma
unvamped
vindak
vital dynamic
vv. uterin?
waterhole
west indiess
wire gauge plate
xeriscape
yaping
Yelaur
Yomadji