胚晶尺寸

Modern Living The Seans' Caged House Sean (husband): When an architect designs a house for themselves and their family, they have to attempt to 1)accommodate those, needs of the family. That's that's

发表于:2018-11-28 / 阅读(205) / 评论(0) 分类 疯狂英语2004年

[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(397) / 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(115) / 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(126) / 评论(0) 分类 Scientific American(十二)月

How thin is too thin? Yang Li: 大家好,欢迎收听BBC 的地道英语, 我是Yang Li。 Diarmuid: And Im Diarmuid. In Real English we look at words and expressions you might not find in your dictionary. Todays expression is size zero. Yang Li: 这个表达是用来

发表于:2019-01-02 / 阅读(162) / 评论(0) 分类 地道英语在线听

Hyaluronic acid - the largest glycosaminoglycan known, it plays an important role of restricting the flow of water in tissues, particularly in synovial fluid where it acts as a lubricant.. Hydrogen bo

发表于:2019-01-03 / 阅读(111) / 评论(0) 分类 医务英语

A man walked into a dress shop and told the clerk he wanted to buy a surprise formal evening gown (礼服, 睡袍)for his wife. What size? asked the clerk. The man shrugged blankly. Trying to help, the clerk inquired, Well then, what are your wife's

发表于:2019-01-06 / 阅读(214) / 评论(0) 分类 趣味英语

今天我们要学的词是size up。 To size up, 对某个人或某件事进行估计、评定。She is sizing up her romantic rival, 她仔细揣摩情敌的实力。The candidate sized up the situation and decided to withdraw, 这位候选人对选战

发表于:2019-01-06 / 阅读(125) / 评论(0) 分类 英语单词荟萃

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(210) / 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(160) / 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(125) / 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(149) / 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(140) / 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(209) / 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(228) / 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(279) / 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(117) / 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(139) / 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(127) / 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(114) / 评论(0) 分类 经济学人综合
学英语单词
additive genetic effect
ammunition for cannon
antimony-yellow
Appolito's suture
aujus
barge-carrying ship
begather
Bothidae
bridge boat
bronchodilatation
camphor tincture
Central I.
chrysotile
claptrap
co-producing
confluent hypergeometric differential equation
county extension agent
dark-adaptation butter
date rapists
dexes
Dichlorothiolane dioxide
digital mini-cassette
dominicanos
double-ended machine
dulcan
dxc
effector phase
end to end session
ethyl-boric acid
expecter
favorable wind
fleet signal code
floppy disk operating system
fluid radiation
flura-drops
futtering
gay lussac's law
genus trolliuss
hand operated gear
heavy oil rotary pump
holomorphic semigroup
imitatio
in bud
in open
interrogate a witness
laser under water communication
legistative intent
leucofuchsin
linear measuring equipment
low-tension magneto
M-W
maidenhead
mamlatdars
marginal production well
mouse pneumonia
mugging up
murphy-o'connor
nanoindenter
narrowmindedly
necrobiotic metamorphosis
negative feedback and goal seeking
noncongealing
note statement
obtuse
pick fault
plastofilm
play the part of
propanoate
quayage
Quercus laevis
root area
safety condition
schenck
senile hyperthy roidism
SERCA2
shinowara-jones-reinhart(unit)
ship carrying
sinarella takasago
single-stage centrifuge
sit with someone
solar sunspot
steam reciprocating engine
suicide-by-cop
taxation inspection
the like of
thoracic actinomycosis
thousands
to divide
torsvik
transition frequency
trash me
trimodal distribution
troeltsch
tuix
turbo prop
twin labor
unexact
ventolin ampoule
Virihaure
water storage tissue
xenogamy