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
absurds
achromatopsia
apex accentuated
bachelor i
barnet har.
be best friends
birth-defect
Bronsted-Lowry acid
BRRA
burning quality
business voucher
Cabanillas
cardiac veins
Cherskogo, Khrebet
Cimicifuga yunnanensis
close coupled rudder
co-existent
codswallops
container object
controlling-company accounting
Court of Auditors
cupping tool
dallmeyers
data keyboard
diesel indirect injection engine
dinitrothiophosphate
direction of growth
euphotometric
eustachiantube
fabrianoes
fantigue
finmarchinella yenshihi
generalized nilpotent class
Genist
genus Balanus
Glazebury
Glebionis segetum
go halfway
goal fest
Haplorhynchus
hypertensive arteriopathy
indirect list entry key
kyanizing process
light-trapped ventilation
Lodge, Mt.
longitudinal debunching
lotion abercrombie's
Marvin sunshine recorder
master warrant officer
Milian's sign
moriyamas
necker knob
non-perishable
overgirding
Pargeter
passwd
penetrating cone
perco hf alkylation
periton?um viscerale
phasor current
phonofil
photographic apparatus
photoisomerized
piecewise linear discriminant function
Populus przewalskii
precoated filter
precursor ion
protoclastic structure
provincialises
Qipchak
quality cost
recursive number theory
revolving mast-type jib crane
run out roller table
Sakmarian
saxifragaceaes
scarba i.
sece
Security Certificate
selective measuring system
sellier
shipping pool
shores
simiad
single-pole mercury switch
smails
somewheres
start proceedings against someone
step-by-step telegraph
systaltic
take one's trick
texts-to-speech
threadwork
trip-hammer
trowsed
underground current
unfoldeth
vehicle window
Zabelstein
zamore
ZO2
zogo