染色体杂种不育

El condor pasa Simon Lyrics : Paul Simon - Jorge Milchberg - Daniel A. Robles I'd rather be a sparrow than a snail Yes I would, if I could, I surely would I'd rather be a hammer than a nail Yes I woul

发表于:2018-11-27 / 阅读(268) / 评论(0) 分类 赖世雄教你学唱歌

austerity, n 节俭(严格节约,经济紧缩);简朴;艰苦 【例】wartime austerity 战时节俭 【记】au读:诶哟,sterity=sterility(n 不毛之地)-需要节俭 【反】ostentation(n 卖弄,摆阔)

发表于:2018-12-04 / 阅读(152) / 评论(0) 分类 不择手段背单词

Broadcast: Feb 12,2003 More than 111,000 military reservists around the United States have been plucked out of their civilian lives and called-up to active duty, in support of the U.S. military's 2)

发表于:2018-12-08 / 阅读(111) / 评论(0) 分类 VOA2003(上)-文艺之窗

RACHEL MARTIN, HOST: A wide-ranging study shows that sperm counts are plummeting throughout the Western world, and scientists don't know why. NPR health correspondent Rob Stein suggests some of the potential reasons. ROB STEIN, BYLINE: In Margaret At

发表于:2018-12-17 / 阅读(136) / 评论(0) 分类 2017年NPR美国国家公共电台7月

This is scientific American's 60-Second Science, I'm Christopher Intagliata. Got a minute? The yeast Candida albicans ekes out a quiet living in our gut. But its a tough life. It faces acids and enzymes, and the immune system always bullies invaders.

发表于:2018-12-24 / 阅读(160) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science, I am Steve Mirsky,Got a minute? A team of Finnish and American geneticists has found that that, for some people at least, music is in their genes. In what the researchers called the first study of its

发表于:2018-12-24 / 阅读(97) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-second Science. I'm Cynthia Graber. This will just take a minute. Guys, heres another reason to eat your veggies: they might be good for your sperm. Some studies show that male fertility and whats called seminal quali

发表于:2019-01-08 / 阅读(158) / 评论(0) 分类 Scientific American(六)月

The food industry leads the nation in pounds of waste produced annually. So, whats second? Its health care facilities. They dispose of more than four billion pounds of waste each year. Another shocker? A lot of that waste is perfectly functional. In

发表于:2019-01-08 / 阅读(161) / 评论(0) 分类 Scientific American(三)月

It's raining again又是一个下雨天 Tell me something I don't know告诉我我不知道的事 This place can make you dizzy这个地方能让你晕头转向 Sweet dream didn't show美梦不会出现 Walked across the finish line走过终点线 Wo

发表于:2019-01-10 / 阅读(124) / 评论(0) 分类 听歌学英语

Birth Defects Rise in Former Iraqi Battleground Five-year-old Lujane is one of hundreds of children in Fallujah who have been born since 2004 with severe birth defects. Her father says Lujane suffers from multiple afflictions that Iraqi doctors strug

发表于:2019-01-14 / 阅读(141) / 评论(0) 分类 VOA标准英语2012年(十二月)

16 Million Teenage Girls Get Pregnant Every Year 每年有1600万少女怀孕 Thursday, July 11, is World Population Day and the focus this year is on adolescent pregnancy. Its estimated that 16 million teenage girls give birth every year. Many are i

发表于:2019-01-14 / 阅读(239) / 评论(0) 分类 VOA标准英语2013年(七月)

这是一位自闭症患儿的妈妈写的关于爱和感动的故事: Relax. He is the same little boy you loved yesterday. I smiled trying to hold back the tears. No he isnt. Yesterday I dreamed he would be an astronaut. Today I am hoping he will

发表于:2019-01-17 / 阅读(118) / 评论(0) 分类 英语美文

Guys, heres another reason to eat your veggies: they might be good for your sperm. Some studies show that male fertility and whats called seminal quality have declined over the last few decades. So researchers from two fertility clinics in Spain loo

发表于:2019-01-30 / 阅读(165) / 评论(0) 分类 60秒科学

AGRICULTURE REPORT - Hybrids By Broadcast: Tuesday, June 08, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Since ancient times, farmers have chosen the seeds for the coming

发表于:2019-01-30 / 阅读(158) / 评论(0) 分类 农业与发展

Doctor: Casual sex harmful to students Casual sex among middle school students may be contributing to growing sterility problems among young women in Guangzhou, capital of South China's Guangdong Prov

发表于:2019-02-01 / 阅读(143) / 评论(0) 分类 趣味英语

CANBERRA, Aug. 17 (Xinhua) -- Australian scientist on Wednesday said his international research team has discovered the trick on how butterfly learn to change its wing pattern to avoid being eaten by birds. The Amazonian butterfly, Heliconius numata,

发表于:2019-02-06 / 阅读(132) / 评论(0) 分类 英语新闻

Facebook and Apple are offering women employees the chance to put their dreams of motherhood on ice by paying for them to freeze their eggs. The extraordinary perk is aimed at boosting the number of women staff by allowing them to focus on their care

发表于:2019-02-11 / 阅读(176) / 评论(0) 分类 阅读空间

I want you to imagine two couples 我希望大家设想一下,两对夫妇 in the middle of 1979 在1979年的年中 on the exact same day, at the exact same moment, 在相同的一天,相同的时刻 each conceiving a baby -- okay? 每对怀上了

发表于:2019-02-13 / 阅读(129) / 评论(0) 分类 TED演讲教育篇

The warring factions in Afghanistan say they will heed a call by the United Nations to stop fighting so aid workers can begin a three-day polio vaccination campaign. The Taliban, the Afghan army and international military forces say they will halt th

发表于:2019-02-14 / 阅读(104) / 评论(0) 分类 VOA双语新闻 2008年9月

Controversial Chinese philanthropist Chen Guangbiao admitted he cheated in the ALS Ice Bucket Challenge, Sanxiang Metropolis Daily reported on Thursday. 据国内媒体报道,中国最受争议的慈善家陈光标日前承认,他在之前的关注

发表于:2019-02-18 / 阅读(181) / 评论(0) 分类 阅读空间
学英语单词
amylobarbitones
antinutritional
ataractic drugs
atomic mass unit(amu)
atretocormus
balancing in locomotive
balsams of peru
blanket grouting
bond dealer
Bruno of Toul
busy month in business
Calypteratae
channel width
Chexbres
Choling
coarse cutter
complete set of equipment
constabulatories
cost-based
Coumarouna odorata
creedsman
crocco-vazsonyi theorem
cryodesiccated
Demodex folliculorum
diarrhetic
differential shaft
dilapidatedness
dime
doorslabs
dry-beat
electrochronographs
epil.
estrostilben
fodors
gametocyte
genus Ankylosaurus
get the chop
great-grand-father
hash sth out
HCGs
henmin
hold the clock on
immodesty
Inazawa
inferior extremity
insulation workshop
interval measure of value
iridolenticular
isobutyl-amnoacetic acid
item-list
Kasendorf
lama peruanas
Lech Walesa
length ball
level priority interrupt
linear sequence circuit
loan broker
loosenger
marginisporum crassissimum
mean atomic weight
mechanicality
mental disorder
mohammedanize
Mycobacterium chelonei
off-load refuelling
Onionland
otherwise agree
potassium borate
Puryǒng-gun
quadrate pronator muscle
quantitative estimation
ravensbruck
reading position
rim collar
rotating blade groove
s hydrograph
sanding
saturated ferrite
Sehna
self made man
shakeratos
sheela-na-gig
Sibiric
silver impregnation
sixmonths
skunkworks project
Thelasis khasiana
throw a damp over
tool-path
Transcycline
transducer evaluation facility
triisopropylphenylsulfonyl chloride
triplinerved
tryma
un tether
unit amplification
vasofactive cells
volume control tank
weedkillers
wire cable
yousuf