蛙胚

SCIENCE IN THE NEWS - American Scientists Create The World's First Genetically Engineered Monkeys CHRISTOPHER CRUISE: This is SCIENCE IN THE NEWS, in VOA Special English. Im Christopher Cruise. JUNE SIMMS: And Im June Simms. Today, we tell about the

发表于:2019-01-12 / 阅读(39) / 评论(0) 分类 2012年VOA慢速英语(二)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(54) / 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(42) / 评论(0) 分类 2017年NPR美国国家公共电台9月

RACHEL MARTIN, HOST: A cartoon frog died on the Internet a few days ago. His name was Pepe. You might remember him over the course of the 2016 election. He became one of the most recognizable symbols of the alt-right. NPR's Sam Sanders tells us how P

发表于:2019-01-17 / 阅读(36) / 评论(0) 分类 2017年NPR美国国家公共电台5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(94) / 评论(0) 分类 2006年VOA标准英语(七月)

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(42) / 评论(0) 分类 新西兰英语
学英语单词
0311
acrocinetic
activity counter
additive printer
airline pilot association (alpa)
aliased grating ring
anti-skimming agent
archives internationales de la danse (aid)
aurum(gold)
beanstalks
beypore yarn
blythes
boond
bordered surface
busy hour
carcineretid
Celophthalum
census value added
chain in
chroma module
chuo
clutch control mechanism
Cohnistreptothrix
consumer convenience goods
cross-domain LU-LU session
damping in roll
distortionless medium
dormitory room
double-word command
drug addiction
duplicate control
duration analysis
dynamic routine
electromagnetic coupling alternator
escape scuttle
fernest
floatin
floccinaucinihilipilification
garageman's lien
geographic coordinate system
groundspeed
gun ring
headlight body
high-frequency instantaneous variation
honorant
hot dipped tin plate
import commodity
inadaptability
Iverson brackets
jenkem
key log
leysshe
liquid crystal reflective light valve
loudness unit
margo mesovaricus ovarii
maximum permissible weekly dose
megamaser
moral inspiration
mossy-cup oaks
mother's daughter
multi-function milling holder
multi-trade
nappe structure
non-salient pole synchronous generator
nonaerobic
optical ssb modulation
orographic anticyclone
overburdening
pebble gravel
petrogeologist
Phenilone
pipeline impedance
qnadriceps test
R Leonis
Rhiopront
sherbrookes
shunting control device
sigmoidoceles
sine-cosme generator
ski resorts
slenderer
social etiquette
steam cured concrete
Stokes's disease
straked
sun deck
supreme genicular artery
technological culture
time base error
tinfoils
tough flow
twitchings
U-2 spy plane
ultimate controlling interest
unanswering
ungerine
Valentino, Rudolph
ventilation by exhaust fan
via circuit
werbner
wetwork
young-eyed