斜生属

By Lisa Schlein Geneva 30 December 2006 The U.N. refugee agency says it is preparing for the possible exodus of thousands of Somalis to neighboring countries, in the wake of the fighting between Ethiopian-backed government troops and Islamist fighte

发表于:2018-11-29 / 阅读(214) / 评论(0) 分类 2006年VOA标准英语(十二月)

Julie: Mike, go! Mike: Yep yep yep. Time to go alright. Julie: Mike, Im Chrissy's nanny. I dont want your parents walking in on us making out. Mike: I just wanted to hear you say making out. Julie: Mike! Mike: Alright. Oh and one more thing.. Julie:

发表于:2018-12-05 / 阅读(198) / 评论(0) 分类 成长的烦恼第四季

Marcus Pembrey is one of a select band of scientists, a band of scientists who are daring to challenge an orthodoxy . They believe the lives of our parents, grandparents, and even our great grandparen

发表于:2018-12-07 / 阅读(134) / 评论(0) 分类 基因外遗传现象

After we had seen how relatively easy it was to change the switches in mouse embryos, we thought that perhaps the same could be true of human embryos. In IVF, you also have the embryo for a brief peri

发表于:2018-12-07 / 阅读(128) / 评论(0) 分类 基因外遗传现象

If inheritance was not just about DNA, if these gene switches were so important, just what could turn them on or off? Stephanie and Emend Mullins have two children, Karen and Charlotte. When we were t

发表于:2018-12-07 / 阅读(159) / 评论(0) 分类 基因外遗传现象

It showed that there was clearly more to inheritance than simply the coded sequence of DNA. We then realized that we were dealing with what is now known as genomic imprinting. What genomic imprinting

发表于:2018-12-07 / 阅读(129) / 评论(0) 分类 基因外遗传现象

...lead to the end of diseases like cancer... Alzheimer's , Parkinson's , diabetes. The list is endless. We were thinking of genes in a very mechanical way. We were thinking of them just in terms of t

发表于:2018-12-07 / 阅读(169) / 评论(0) 分类 基因外遗传现象

Named after Henry Angelman, the pediatrician who first described Angelman syndrome. He referred to them as happy puppet children because it described, to some extent, the features. They have a rather

发表于:2018-12-07 / 阅读(141) / 评论(0) 分类 基因外遗传现象

We are on the brink of uncovering a hidden world, a world that connects past and future generations in ways we never imagined possible. What this means is an environmental exposure that your grandmoth

发表于:2018-12-07 / 阅读(111) / 评论(0) 分类 基因外遗传现象

Kevin: What were the biggest challenges you faced starting this website? Todd: Well, when I first started, I didn't know anything about computers, and I mean nothing about computers. I took a course, teachers and technology and I remember the first d

发表于:2018-12-25 / 阅读(141) / 评论(0) 分类 原版英语对话1000个

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-30 / 阅读(174) / 评论(0) 分类 单词解析速记

Our studies had really convinced me that it were the later experiences of the child as the child was growing up bombarded with years and years of, em, symptoms from the parents that accounted for the

发表于:2019-01-02 / 阅读(158) / 评论(0) 分类 基因外遗传现象

By David McAlary Washington 06 December 2006 New biological evidence casts more doubt on Libyan government charges against six imprisoned Bulgarian and Palestinian medical workers accused of deliberately infecting several-hundred Libyan children wit

发表于:2019-01-09 / 阅读(202) / 评论(0) 分类 2006年VOA标准英语(十二月)

Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of

发表于:2019-01-11 / 阅读(171) / 评论(0) 分类 英语杂谈

Exploring the Long and Short of Hair Loss BARBARA KLEIN: This is SCIENCE IN THE NEWS in VOA Special English. Im Barbara Klein. STEVE EMBER: And Im Steve Ember. Today we talk about hair. We will tell what hair is, how it grows, and some of the main re

发表于:2019-01-12 / 阅读(187) / 评论(0) 分类 2011年VOA慢速英语(四)月

Most rice grows in wet environments, but too much water can be disastrous for rice crops. Plant biologist Pamela Ronald helped create a type of flood-resistant rice that is being introduced to India and Bangladesh. In Davis, California, we spoke wit

发表于:2019-01-13 / 阅读(145) / 评论(0) 分类 VOA标准英语2009年(三月)

By Doug Levine Washington 17 January 2007 Renowned jazz saxophonist and composer Michael Brecker died January 13 of leukemia in a New York City hospital. He was 57 years old. As VOA's Doug Levine tells us, Brecker's impact on today's generation of ja

发表于:2019-01-16 / 阅读(210) / 评论(0) 分类 2007年VOA标准英语(一月)

A number of senior executives from the Chinese division of GlaxoSmithKline are the focus of a criminal investigation. The Ministry of Public Security has been questioning a number of GSK employees amid allegations they offered large bribes to governm

发表于:2019-01-19 / 阅读(149) / 评论(0) 分类 世界各地新闻集锦

AMERICAN MOSAIC - Watergate, Nixon, 'Deep Throat': What Was That All About? By Nancy Steinbach and Caty Weaver Broadcast: Friday, June 17, 2005 (MUSIC) Welcome to AMERICAN MOSAIC, in VOA Special Engli

发表于:2019-01-30 / 阅读(254) / 评论(0) 分类 American Mosaic

MILAN, May 18 (Xinhua) -- Midfielder Andrea Pirlo has been confirmed by AC Milan to leave the club after 10 seasons, while both Alessandro Nesta and Filippo Inzaghi have agreed to one-year extensions. The 31-year-old had his contract expired(期满)

发表于:2019-02-18 / 阅读(170) / 评论(0) 分类 英语新闻
学英语单词
a.m.d
Adenophora morrisonensis
adjustable resistor
Agomet E-polymer resin
alcantara
appeal for help
appeal to
articulationes interphalangeae
baroque organs
bi-colour dyeing
bootstrap image
bromacetal
bystander intervention and apathy
canvas guide
Chitalpa
climacterium praecox
consumer information sources
cumulative knowledge
Dalhousie University
Damiya
danger number
denaturalize
dual actuators
Endopituirina
enterostyles
entrammelled
ethyl diethylcyanoacetate
excelsior cutting machine
exit side
fluacizine
fumosity
gefiltefish
geyan
GLOSSIDAE
hepatitis B e antibody
home units
Hovhaness, Alen
Ilonga
intercept form
lattuada
lignum nephriticum
look book
low temperature cooling
LTIPC
marble state
metallic cementation process
misleared
neogurelca hyas
neutron release
nitrite method
non-olfactory
nonglycosylated
nonmalized form
nubble
objective time
olifants melkbos
outlining blasting
palladium subsulfide
phosphotungstic acid
plant account
plateau phase
POETS days
powder rolls
predicted concentration
propenzamide
protozingiberensisaponin
pyramid holding
quadrivoltins
quercimeric acid
reactor containment
replication filters
rheometer with rotator
Santo Stino di Livenza
scotochromogenicity
search channel
secoisolarciresinol
seecatch
sensitivities
sentence-based
serraticardia maxima
Silsby L.
sirico
skeleton core box
Songhwa-gun
Spanish
special test vehicle
spongeol
springville
steel bomb
subterranean deposit
sufficient information
ticking-over
traffic converging
tricuspid regurgitation
undershirt
unspike
unthick
Werdnig-Hoffmann paralysis
wheat flour moth
wipe off the face of the earth
wire-wove
yata