爪蟾外胚层

News Spotlight POLITICS In a 1)rambling hour-long radio interview, Russian presidential candidate Ivan Rybkin suggested on Wednesday that for at least part of his five-day absence in Ukraine, he was h

发表于:2018-11-28 / 阅读(264) / 评论(0) 分类 疯狂英语2004年

BOB DOUGHTY: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. FAITH LAPIDUS: And I'm Faith Lapidus. Today, we will tell how technology used in airports may help in the study of disease. We will tell about an idea for improving hea

发表于:2018-12-07 / 阅读(108) / 评论(0) 分类 2010年VOA慢速英语(六)月

Mr. Holland's opus My - My apologies for my tardiness, and uh, Principle Walters, Id like to know. Yes, I brought a note for my mother. Mr Holland had a profound influence on my life, on a lot of lives, I know. And, yet, I get the feeling that he co

发表于:2018-12-08 / 阅读(146) / 评论(0) 分类 英语名著名段背诵精华

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(120) / 评论(0) 分类 万花筒2006年

The One With The Embryos -------------------------------------------------------------------------------- Written by: Jill Condon & Amy Toomin Transcribed by: Eric Aasen ------------------------------

发表于:2019-01-01 / 阅读(105) / 评论(0) 分类 六人行—第1-5季

This is Scientific American's 60-Second Science, I'm Cynthia Graber. This will just take a minute. It sounds like the title to a Rudyard Kipling tale: how the turtle got its shell. But its actually a question that has puzzled scientists. After all, n

发表于:2019-01-08 / 阅读(162) / 评论(0) 分类 Scientific American(七)月

I will be a teacher because being a teacher is the most worthy thing a person can be. Confessions of a Teenage Drama Queen (2004) Lola (Lindsay Lohan) 我愿意成为一名教师,因为教师是人类能够从事的最有价值的职业。 《青春舞

发表于:2019-01-11 / 阅读(155) / 评论(0) 分类 实用英语

This is the VOA Special English Health Report. Bethesda, Maryland, near Washington, D.C., is home to the National Institutes of Health. N.I.H. calls itself the Nation's Medical Research Agency. But it supports research worldwide with its budget of a

发表于:2019-01-11 / 阅读(146) / 评论(0) 分类 VOA慢速英语2008年(十一)月

By Amy Katz Washington, DC 27 April 2006 watch Opus Dei report The best selling novel The DaVinci Code has been made into a major Hollywood movie, which arrives in American theaters on May 19th. The C

发表于:2019-01-13 / 阅读(264) / 评论(0) 分类 2006年VOA标准英语(四月)

AILSA CHANG, HOST: Scientists recently made headlines when they announced they had figured out how to edit DNA in human embryos for the first time. This week, the scientists invited NPR health correspondent Rob Stein into their lab in Portland, Ore.,

发表于:2019-01-16 / 阅读(187) / 评论(0) 分类 2017年NPR美国国家公共电台8月

Breaking Taboo, Swedish Scientist Seeks To Edit DNA Of Healthy Human Embryos play pause stop mute unmute max volume 00:0004:12repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or updat

发表于:2019-01-16 / 阅读(122) / 评论(0) 分类 2016年NPR美国国家公共电台9月

The Chimera Quandary: Is It Ethical To Create Hybrid Embryos? RAY SUAREZ, HOST: Now it's time for our regular feature Words You'll Hear, where we try to understand what's happening in the news by parsing some of the words associated with it. This wee

发表于:2019-01-17 / 阅读(143) / 评论(0) 分类 2016年NPR美国国家公共电台8月

A contraceptive pill that could be taken by men as well as women could be on the horizon. 一种男女通用的避孕药即将问世。 A breakthrough in the understanding of the biology of sperm could lead to a unisex version of the Pill, US governm

发表于:2019-01-19 / 阅读(222) / 评论(0) 分类 实用英语

Taiwan-born pop icon Jay Chou has wrapped up the Hong Kong leg of his Opus 2 World Tour. Chou says it's a sad feeling to approach the end of the tour: [I'm] very sorry to see it end. If we could add a few more dates [we would], but I'm afraid to lose

发表于:2019-01-21 / 阅读(165) / 评论(0) 分类 英语新闻

Topics: American Authors - Ayn Rand; Adirondack Park; to get versus to gain versus to obtain; to have (someone) do (something) versus to get (someone) to do (something); giving an apple to a teacher Words: screenplay fountainhead triumph collectivism

发表于:2019-01-22 / 阅读(175) / 评论(0) 分类 美语听力 English Cafe

教师节就要到了,你为恩师献上祝福了吗?来看看下面这些影片中赞美教师的经典台词吧。 I will be a teacher because being a teacher is the most worthy thing a person can be. Confessions of a Teenage Drama Queen (2004)

发表于:2019-02-01 / 阅读(119) / 评论(0) 分类 阅读空间

Mr. Holland's opus My -My apologies for my tardiness, and uh, Principle Walters, Id like to know. Yes, I brought a note for my mother. Mr Holland had a profound influence on my life, on a lot of lives, I know. And, yet, I get the feeling that he cons

发表于:2019-02-03 / 阅读(161) / 评论(0) 分类 阅读空间

A 65-year-old Berlin woman who already has 13 children is pregnant again with quadruplets, Germany's RTL broadcaster reported on Sunday. 4月12日,据德国RTL电视台报道,柏林一名65岁的女性怀上了四胞胎,而此前她已经孕育了

发表于:2019-02-05 / 阅读(114) / 评论(0) 分类 阅读空间

CHAPTER 19The Egg Sac 第十九章卵袋 Next morning when the first light came into the sky 第二天早晨,当天空一出现光线, and the sparrows stirred in the trees, 麻雀开始在树上活动, when the cows rattled their chains and th

发表于:2019-02-17 / 阅读(157) / 评论(0) 分类 夏洛的网

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(116) / 评论(0) 分类 经济学人综合
学英语单词
AC arc
accidental discharge of oil
adjustable mask
air path
alkalamides
aorta
ashets
auriculo-ventricular
automatically operated retarder
be irrelevant to
be orphaned
be tied up with
cathodic protection station
cell-toxicant
charophytes
cogeners
coolant treatment (plant) and storage (system)
demand for identification
Deri motor
EBES
effectiveness of fishing
enteromycin
epinotal spine
f.m.
far point of convergence
Feud.
filter beds
foreign exchange counter
Gangajālghāti
garston
general circuIation
goalmouths
goldfishing
granlin
green meat
high-field
hollow-root
iveta
Japan Towing Tank Conference
kynuramine
largeleaf
lasher
lead one up the garden path
lock and key theory
mafia
magnesia reagent
meadow brights
media company
microstructure
mis-seem
motographic
Mrs. Simpson
muskroot
Mycobacterium Johnel
Nacaroa
Namier, Sir Lewis Bernstein
nanocatalysis
naphthacridinetrione
nicolas-durand-favre(disease)
non ruminant
non-reentrant code
occupational safety and health regulations
paint spraying pistol
particle annihilation
patrol peroplane
perform'd
pinwork
portal website
preannouncing
Presbytes
processar
raggers
red-graiest
redactoral
regular route
reversal of a machine
Rloop
saturated vapor
scatches
sea food
section modulus
self mocking
Shigella arabinotarda type B
spectrographic purity
state-machine compiler
steel ballast
steel frame dam
stemmaticss
stereoimage
Switch Mode
technical content
temporary supports
test force amplitude
tsam (chinese)
type foundry
unicharged
unperfused
unsoldiery
Verkhneye Talyzino
wall void
white background
zui