冷冻胚胎(可供植入妇女子宫作生育用)

[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(123) / 评论(0) 分类 Scientific American(十二)月

Stroll through the frozen foods section of the supermarket and youll find frozen corn, peas, and beans. A Moment of Science wonders, why isnt there any frozen lettuce? 你在闲逛超市的冷冻食品区的时候,会看到有冷冻玉米、冷冻豌

发表于:2018-12-28 / 阅读(125) / 评论(0) 分类 初学者听力文摘精选

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(205) / 评论(0) 分类 英语讨论

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(147) / 评论(0) 分类 2017年NPR美国国家公共电台3月

MARY LOUISE KELLY, HOST: Frozen food is having a moment. After years in a slump, sales of frozen and prepared foods are on the rise. They are often cheaper than fresh and can be more convenient. As NPR's Allison Aubrey reports, another upside of froz

发表于:2019-01-16 / 阅读(138) / 评论(0) 分类 2018年NPR美国国家公共电台5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(138) / 评论(0) 分类 2017年NPR美国国家公共电台9月

Hot Enough For You? Cool Off With A Brief History Of Frozen Treats AUDIE CORNISH, HOST: It's really, really hot today. Here in D.C., it's 88. In Phoenix, it's 109, and I'm betting it's pretty hot where you are, too. So we're going to take a few minut

发表于:2019-01-17 / 阅读(122) / 评论(0) 分类 2016年NPR美国国家公共电台8月

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(225) / 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(275) / 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(112) / 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

If we could live in this moment And just hold it Keep my head on your chest I'll never leave this bed The flowers will be blooming The leaves will be turning And snow will be falling While we're making love And the sun will be shining The flowers sti

发表于:2019-02-12 / 阅读(143) / 评论(0) 分类 节奏布鲁斯

DAVID GREENE, HOST: Call this the freezing out of frozen food - you know, TV dinners, which were a novelty when they first showed up in national supermarkets back in the 1950s. (SOUNDBITE OF AD) UNIDENTIFIED VOICE ACTOR: It's the first and only three

发表于:2019-02-13 / 阅读(138) / 评论(0) 分类 2018年NPR美国国家公共电台5月

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(123) / 评论(0) 分类 有声英语文学名著

Demi Lovato 为迪士尼动画片《Frozen》(《冰雪大冒险》)献唱的主题曲《Let It Go》!Demi 充满力量的呐喊配上电影中的华丽片段实在是太棒了。这首歌当插曲,电影必定赞啊,Demi 唱功真好! 歌词:

发表于:2019-02-17 / 阅读(125) / 评论(0) 分类 流行英文歌曲

Oocyte cryopreservation, or egg freezing, is a procedure where a woman's ovum are removed, frozen and placed in long-term storage. When the woman is ready to become pregnant, the eggs can be thawed, fertilized and transferred into her uterus. The tec

发表于:2019-02-18 / 阅读(122) / 评论(0) 分类 英语新闻

A few weeks after my first wife, Georgia, was called to heaven, I was cooking dinner for my son and myself. For a vegetable, I decided on frozen peas. As I was cutting open the bag, it slipped from my hands and crashed to the floor. The peas, like ma

发表于:2019-02-18 / 阅读(172) / 评论(0) 分类 阅读空间

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
acid ratio
activated carbons
adaptive-optics
Aerobacter aerogenes
air traffic control center (atcc)
ajugacumbins
Anammelech
anode casting machine
arbitrage accounts
Archaeogastropoda
at owner's risks and responsibilities
bad order card
batch-process
be all beer and skittles
Beinn Bhuidhe
berth occupancy
biochemical medicine
blooming train
burn with shame
c-layer
cascade connected
childens
coffearine
coil system of induction logging
common rorquals
comparison column
constellatus
declogging
electronic position-fixing equipment
exponential transient
factory overhead rate
fast-laner
flannels
flounder
footdrop
for what they are
four lipped cam
fqihs
framesheets
frost scar
genus timalias
giambolognas
handaspirated type
Hartia crassifolia
high-aspect-ratios
hyrcanian
image receiver
Izozog
Jaya Peak
lain along the land
lay claim to sth
lift sub
littleton
lobipes lobatuss
maffra
matkowski
maximum magnetic energy product
Military Network
mixed ore
monotheists
multipound
Nicholas, Saint
obstipum abdomen
onstant-diameter cam
optically
ordinary sheathed explosive
Orthosiphon spicatus
peritonitis arenosa
pill head
Pinya
Pisolina
plate grid capacitance
pritches
Processus ciliares
pseudoryxes
pulse mode multiplexing
regression equation
rejection iris
ride the lightning
rip down
scout-observation seaplane
semaphored
set up error
shop chart
skanked
Slussfors
spherulite
strike while the iron is hot
successive buyers and sellers
surface-to-underwater
third quarter
transportation by railroad
troop-carrier
Trypanosoma escomili
two way mirror
two-wire antenna
Uberfremdung
unaddle
void in part
wayans
winding process
Y block