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(481) / 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(237) / 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(149) / 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(148) / 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(152) / 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(194) / 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(235) / 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(181) / 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(158) / 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(165) / 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(161) / 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(232) / 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(263) / 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(158) / 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(298) / 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(214) / 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(135) / 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(162) / 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(156) / 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(136) / 评论(0) 分类 经济学人综合
学英语单词
accoupled
aerial bomb
AlInAs-GaInAs
angle reference standard
atherothrombotic brain infarction
auto correlogram
axigluon
backward flow process
Bakkeveen
bloco
boletaceaes
bow-back Windsor chair
bulleyaconitine
calibrating of a station
cartilege
Castillos, L.
casualty loss deduction
celiac diseases
central principal moment of inertia
centrifugal coil (colon)
centrifugal cutter
chalcothallite
cold precipitator
common interrupt processing module
computation
concernedness
Crepis tianshanica
d-catechin
DBAL
desensitise
discoursive
double Spanish burton
dray
dulcianas
Durannie
earth-in
emotional reasoning
failure of good behavior
ferragamos
flanged-nut
fraction reacted
frequency sharing scheme
g suits
galabeahs
grain growth coarsening
granule spreading nozzle
green non-sulfur bacteria
gross cost of merchandise sole
Halocypridacea
henry moores
herbarial
herringbone effect
herrs
hygeias
imperata
in the public domain
Inj.
instruction look ahead unit
Isomethepteue
K-Pg
kinfolk, kinfolks
lesue
loading-bay
log viscosity
loss-aversion
Meichong
memory space-time product
midforceps
mini desktop PC
modeltest
no buts
North Richmond
o'er-
output section
parking tickets
partner portal
phencarol
pin resistor
Pirocrid
pitch-speeched
pourpoints
provincial-level
remember condition
rocate
rotiferal
sanglier
seamless bra
separate end bracket
short one
silp
silver chlorite
spun-bonded fabric
steam winch
steffisburgensimycin
stunted tree
suppurations
suspension system
Tabernaemontana coronaria
titratable alkalinity
toastmastering
two-year-old horse