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(312) / 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(320) / 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(231) / 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(220) / 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(228) / 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(198) / 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(252) / 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(234) / 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(180) / 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(231) / 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(300) / 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(258) / 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(299) / 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(294) / 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(283) / 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(242) / 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(314) / 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(247) / 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(361) / 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(289) / 评论(0) 分类 英语新闻
学英语单词
accedie
alphabetical character
animal furrow
anticoincidence impulse
archaeometallurgical
arsanov
artlessnesses
aviating
be packed as close as herrings
below freezing point
Biogon lens
biomass fuel
calculable functions
cariogenicity
centre-point load
cephid
ch'uan tao
channel interval
Clarithromycin-Zhongmeihuadong
climatic reaction
cognizee
competitive trader
data switching
digentiobiose
draft drawn against mortgage
dungyard
epitheliogenesis imperfecta
EVOP
external teeth lock washer
F. D. Roosevelt
fenoverine
fish-gathering forest
Gieseking, Walter (Wilhelm)
give a step
give someone a jump
Guadiela, R.
guidanuce system synthesis
habitation digitazation
haffar
herizian potential
hitt
hood shield
hydrogen-in-petroleum test
imperfect chiasma
irretiate
it's safe to say
karsakpai (qarsaqbay)
knowledge structure
little's result
long-wavelength radiation
Luzhayka
M-derived type filter
Malaya Laba
Mechanics Grove
medlab
minimum dimensional space
mollic solonetz
mud-pumping action of ties
naval defense forces
nitrogen-fixation bacteria
oregon cedars
Oroville Dam
ortyard
phyllary
pledgathon
plonka
ply with
pneumatic universal controller
post-holing
pressure sender
pull ... up
pyrocoelia analis
rair
reembarkation
reformeresses
reindustrialize
REWR (read and write)
ring oiling
sale and purchase
schematic model
scum pan
set of the rolls
significant surface
Snellen tests
sodium thioglycolate
southpaws
sprawa
statistical estimate
sweet wattles
tape cleaner
the A-list
throbb
tractor-trailer engagement
treasure trail
Triporicellaesporites
ventricular inflowing tract
von Weber's triangle
white-ground
working-angle
you're special
zernik
zwaan