胚胎-胎儿

[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(387) / 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(107) / 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(119) / 评论(0) 分类 Scientific American(十二)月

Exercise 5-11 : Final L Practice Repeat the following lists. bull pull wool full Schultz tulle you'll ball hall hauled pall wall fall shawl tall vault yawl call bowel howl howled Powell foul towel vowel yowl cowl bell hell held pell well fell shell t

发表于:2018-12-27 / 阅读(117) / 评论(0) 分类 美式英语正音训练

HEALTH REPORT - October 23, 2002: Folic Acid Reduces Fetal Deaths By Nancy Steinbach This is the VOA Special English Health Report. A new study in Sweden has confirmed another important health effect

发表于:2019-01-04 / 阅读(149) / 评论(0) 分类 健康与环境

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(193) / 评论(0) 分类 英语讨论

By Efam Dovi Accra 23 August 2006 In Ghana, a high court in the capital Accra Tuesday sentenced five robbers to more than 300 years in prison in what the police say is a clear sign the country is taking violent crime seriously. The spate of armed ro

发表于:2019-01-11 / 阅读(218) / 评论(0) 分类 2006年VOA标准英语(八月)

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(142) / 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(133) / 评论(0) 分类 2017年NPR美国国家公共电台9月

Passage Two 29. A. 4. B. 5. C. 6. D. 7. 30. A. They are shy and sensitive. B. They are quiet and sensitive. C. They are shy and suspicious. D. They are quiet and reserved. 31. A. The way people sleep shows their personality. B. It is easy to change a

发表于:2019-01-25 / 阅读(131) / 评论(0) 分类 英语四级听力-短对话

> 39 脂肪中的茎细胞有助于治疗糖尿病 DATE=4-26-01 TITLE=SCIENCE REPORT- Stem Cells in Fat BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-30 / 阅读(177) / 评论(0) 分类 科技之光

HEALTH REPORT - Fetal Skin Cells May Treat Burns By Caty Weaver Broadcast: Wednesday, September 21, 2005 I'm Shep O'Neal with the VOA Special English Health Report. A method tested in Switzerland may

发表于:2019-01-30 / 阅读(117) / 评论(0) 分类 健康与经济

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(221) / 评论(0) 分类 2006年VOA标准英语(七月)

By Carol Pearson Washington 11 October 2007 A children's hospital in Texas reports a rare condition that can threaten the lives of identical twins. The disorder has been noticed in a number of countries with advanced medical practices. A hospital spo

发表于:2019-01-31 / 阅读(126) / 评论(0) 分类 2007年VOA常速英语(十月)

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(272) / 评论(0) 分类 阅读空间

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(132) / 评论(0) 分类 新西兰英语

睡觉姿势揭示你的性格 Whether it's curled up in the fetal position, flat on the stomach or stretched out across the bed, the way people sleep reveals their personality, a British sleep expert said. Professor Chris Idzikowski, direCTor of the

发表于:2019-02-18 / 阅读(148) / 评论(0) 分类 阅读空间

Related reading: Chinese scientists on Wednesday announced the first direct evidence linking the Zika virus to microcephaly in mice experiments. Xu Zhiheng with the Institute of Genetics and Developmental Biology of the Chinese Academy of Sciences in

发表于:2019-02-18 / 阅读(138) / 评论(0) 分类 cctv9英语新闻2016年

Voice 1 Thank you for joining us for todays Spotlight program. Im Liz Waid. Voice 2 And Im Joshua Leo. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 On

发表于:2019-02-21 / 阅读(129) / 评论(0) 分类 环球英语 Spotlight

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(109) / 评论(0) 分类 经济学人综合
学英语单词
abdastartus sacchari
agreement tariff
airtightness
Alegrete
alkyd baking arc resistance enamel
association fiber
Attert
Augusteum
biodiversity-rich
bisfenazone
Boolean data type
braceanum
brachium
brake reaction rod
charge gas compressor
chinese pharmacopoeia
close-order drills
come within an inch of sth
composite scale
creolalbin
de assisa continuanda
delay action circuit breaker
demans
deskward
devitalizing effect
downey heads
drexler
duck stool
ecs
eject solenoid
emeers
excitation potential
execute only flag
frequency mixer
gee-whizziness
GTRM
Habenaria siamensis
half-games
Hampyeong
hepatic mercury(mercuric)ore
Hongik
Ikryanoye
initial definition of rights
inkblot technique
interconnected star winding
lateral neutron shielding assembly
lead zirconate
Liberal Democrat Party
long half round nose side cutting pliers
look no further
low-bush
Lytham
maligning
meteory
molecular astronomy
Neanderthals
needle bearing cage
non-causality
ognev
once-banned
open-fronted
opitz classification system
oroi
peak width
piloerection
poufs
predeterminations
progenitress
protargyl
provisory clause
ptecticus sauteri
reduce the wage
resistance thermometre
retail land sale
rhetorical sentence
Ridgecrest
ring packed column
sabring
Santa Domenica Vittoria
science of acoustics
self-fillings
selfosses
stardates
supplementary arc
tabulation of polynomials
taper bit
tasted
technical proposal
the measures
tokoudagba
twenty-five-thousander
uncompressed
undoable
value of export
velvet spider
Vigna hosei
wellgarnished
windhovers
Winnie the Pooh
winter games
zoned decimal number format