胚囊

[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(493) / 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(157) / 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(156) / 评论(0) 分类 Scientific American(十二)月

What I sacrificed Being in your life I'm walking blind One step behind Torn apart I'm all worn out Afraid to play The game portrayed Hard to maintain Hard to sustain I tried so hard I gave my soul But in return, left me all alone What I sacrificed Be

发表于:2019-01-14 / 阅读(167) / 评论(0) 分类 节奏布鲁斯

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(171) / 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(167) / 评论(0) 分类 2017年NPR美国国家公共电台9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(271) / 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(303) / 评论(0) 分类 阅读空间

今天我们要学的词是transaction。 Transaction, 交易。 The value and number of transactions in media industry mergers and acquisitions soared in 2010, 2010年传媒产业合并和收购交易的数量和交易总额都大幅攀升。 Facebo

发表于:2019-02-06 / 阅读(166) / 评论(0) 分类 英语单词荟萃

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(165) / 评论(0) 分类 新西兰英语

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发表于:2019-02-21 / 阅读(159) / 评论(0) 分类 名人认知系列 Who Was

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发表于:2019-02-21 / 阅读(144) / 评论(0) 分类 名人认知系列 Who Was

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发表于:2019-02-21 / 阅读(165) / 评论(0) 分类 名人认知系列 Who Was

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发表于:2019-02-21 / 阅读(146) / 评论(0) 分类 名人认知系列 Who Was

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发表于:2019-02-21 / 阅读(190) / 评论(0) 分类 名人认知系列 Who Was

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发表于:2019-02-21 / 阅读(177) / 评论(0) 分类 名人认知系列 Who Was

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发表于:2019-02-21 / 阅读(168) / 评论(0) 分类 名人认知系列 Who Was
学英语单词
2-ethylhexyl alcohol
a round of talks
Abelian transformation
achroma(to)cyte
acid gas removal
Aconitum bailangense
adjoiner
agricultural experimentalist
aliform type
Anostylostroma
anti-inflation measure
Ardentinny
arsenoblasts
artificial dehydration
baguette, baguet
Barbaza
biradial
bishop's court
busk (n. america)
cave inlet
Chicoa
core sense line
cryotomy
data bridge simulator
difference limen difference test
disoxygenates
dissettled
disulfo-cyanic acid
ditransitivity
domestic treatment
double-speed motor
duality transformation
edgemere
effectiveness of investment
electronogen
engineering sciences
ental
equilibrium depth
fatigue mechanics
fraternal
frequency-gain curve
goffen
gradational
green heron
grilie generator
guerrant
habitat matrix
hit men
impedance probe
input expander
inquiringly
Isle of Youth
jetmize
jus possessionis
life-saving station
lower peninsulas
lycurguss
magic number in alpha decay
magneto-telluric effect
martiniques
matchmade
no admission charge
oblique plane triangle
ohkas
Omapere, L.
per
picket pin
pittosporum heterophyllum franch.
porcelain shell for current mutual inductor
power-line
program master-file update
promised
red mercury oxide
reed-thatch
reno-sialidosis
resistance to erosion
root opening
Serratula chinensis
Shumagin
Sivinskiy Rayon
sizes up
softballer
somasthesis
source buffering
square-bashings
stationmistresses
Stephensburg
sunshine record
surface bumper jar
sympatries
tooth enamels
tramped down
treated rubber
tubed goods
unavailable-energy
Verson's glands
viglens
viviparous female
western food
winecellars
yftisite-(Y)