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(162) / 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(351) / 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(91) / 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(105) / 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(121) / 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(86) / 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(185) / 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(105) / 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(172) / 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(136) / 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(102) / 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(123) / 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(113) / 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(182) / 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(192) / 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(256) / 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(90) / 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(114) / 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(104) / 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(98) / 评论(0) 分类 经济学人综合
学英语单词
Agathis dammara
amnioinfusions
animal mechanics
antistar
Apoera
argyrophil cell
arteria pudenda interna
bobsledders
campan
Casselberry's position
castellated-shaft
certificate of delivery and re-delivery
chrysosis of lung
cingulate
circular radiobeacon
common base circuit
crudelity
decal process printing ink
Dissen am Teutoburger Wald
doggy woggies
driven shaft nut
Dunelmensis
ecophilosophy
environmental oceanogrphy
equidistants
fluctuated
FORTRAN control character
foth
Frankenwinheim
group additive utility function
gunning concrete
Gymnaster piccolii
hair disc
half selected core
Hallyeo Marine National Park
hammer control buffer
hand-setters
high birefringence optical fiber
horizontally dump truck
Hujirta
hydraulic nut
illuminated traffic indicator
in ages
inaccuracy of dimensions
indewing
inspect statement
just identified
Kashebere
lieutenant commanders
local user terminals
magnetically biassed transistor
molecular sieve chromatography
moneygrabbers
Montenegrin
movement elicitation
multiple reclosing breaker
negative chemotaxes
neptunia gracilis
non-executives
Obajana
oleinic acid
oxyhalide ion
paraaminosalicylic acid
Parachampionella rankanensis
parallel test
petrofrane
preacherlike
prepensely
pressure per stone
professional associations
reacter
retardation phenomenon
right cell
rotary vacuum filtration
s. caps.
semi closed cycle
semiautomatic working
sessilistemonine
shark ray
shun
Slmàrd, Lac.
spiclomazine
spumescent
stefaniak
subgrade moisture content
sun-bath
swamp-eels
talents
telegraphic
tentonic characteristics
the summit of
thunderbox
tractor-drawn centrifugal spreader
trematodiasis
truck-mounted generator
Tudorized
wager policy
weak butter
Wendlandia pubigera
WiFi mesh
wintrily
wire turn-buckle