[医] 交合刺管

神奇校车带领孩子们进入浩瀚的科学领域,游梭于生物科学、地球科学、太空科学、气象学、古生物学等各门学科中。被纽约时报评为最新鲜有趣、最富有创意和想象力的科学启蒙方式。孩子

发表于:2018-12-06 / 阅读(154) / 评论(0) 分类 神奇校车系列丛书

Dad, Can You Tell Me How to Get Rich? My dad put down the evening paper. Why do you want to get rich, son? Because today Jimmy's mom drove up in their new Cadillac, and they were going to their beach house for the weekend. He took three of his frien

发表于:2018-12-06 / 阅读(217) / 评论(0) 分类 动物街64号 Zoo Lane 第一季

By Paul Sisco Washington D.C. 24 January 2008 Wing Power, wave power, people power. Italian inventor Lucien Gambarota tries to capitalize on all three. VOA's Paul Sisco explains in this week's Searching for Solutions report. Lucien Gambarota is a vis

发表于:2018-12-16 / 阅读(238) / 评论(0) 分类 VOA标准英语2008年(一月)

Lesson 97 The Body 第97课 人体 If you wish to keep your body healthy, you must learn something about its inside as well as about its outside. 你想要有一个健康的身体, 那就不仅需要了解它的外部结构, 更要明白它的内在构

发表于:2018-12-18 / 阅读(165) / 评论(0) 分类 英国学生科学读本

插座、插头和其它连接物(电器连接) Sockets, plugs and other contacts [electric connections] 插头、插座及其他接触器(电接头) Plugs, sockets and other contacts [electric connections] 表面覆有带电导体的玻璃 Glass

发表于:2018-12-18 / 阅读(173) / 评论(0) 分类 英文语法词汇

Bottled water companies often brag about the purity of their drinks. Just imagine if they found a water source that's been cut off from the outside world for well over a billion years. Well, scientists have discovered just that, in isolated reservoir

发表于:2018-12-24 / 阅读(179) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Asbestos increases the risk for certain cancers. The fibers are thought to do so by skewering cells, setting off chemical reactions that lead to inflammation,

发表于:2018-12-24 / 阅读(232) / 评论(0) 分类 Scientific American(九)月

Elon Musk's Hyperloop is getting its first working test track When Elon Musk, the PayPal billionaire, announced his plans for a near-supersonic transport system of passenger capsules levitating inside tubes it sounded like science fiction. Now the co

发表于:2018-12-28 / 阅读(148) / 评论(0) 分类 英语PK台

85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson (Start at 1'04

发表于:2019-01-02 / 阅读(282) / 评论(0) 分类 科技之光

AMERICAN MOSAIC - November 15, 2002: Rap Loses a Popular Artist / Question About the John Kennedy Assassination / 20th Anniversary of the Vietnam Veterans Memorial Broadcast: HOST: Welcome to AMERICAN

发表于:2019-01-02 / 阅读(247) / 评论(0) 分类 American Mosaic

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(280) / 评论(0) 分类 Scientific American(四)月

drain作名词的时候可以指下水道。看见go down the drain这个习惯用语,你头脑里可能会出现这样的情景:有个人在洗澡的时候不小心把手上的钻戒滑落到浴缸排水孔里,在他还没来得及作出反应的

发表于:2019-01-08 / 阅读(231) / 评论(0) 分类 美国俚语

Todd: OK so, here we go, now Terry you were saying that you went from Vancouver to San Diego. How many days did that take? Terry: Um, the total trip took 42 days but that included one day on the bus up and then one day on the bus back so 40 days on t

发表于:2019-01-08 / 阅读(222) / 评论(0) 分类 原版英语对话1000个

THE MAKING OF A NATION - American History: Popular Culture in '50s STEVE EMBER: Welcome to THE MAKING OF A NATION American history in VOA Special English. Im Steve Ember. Imagine a time machine. Youve just climbed into it for the purpose of visiting

发表于:2019-01-12 / 阅读(242) / 评论(0) 分类 2011年VOA慢速英语(九)月

Popular Weed Killer Stirs Health, Environmental Concerns Jamie Jamison produces corn, wheat and soybeans on his 500-hectare farm. To boost production, he uses genetically modified seeds. To control weeds, he uses Atrazine. It gives us good long-seaso

发表于:2019-01-13 / 阅读(182) / 评论(0) 分类 VOA标准英语2012年(五月)

Popular Culture Inspires Top US Baby Names Theres a better-than-random chance that babies born in the United States last year, 2010, were named Bella or Edward. Those were among the 10 most popular girls and boys names, respectively, and it was more

发表于:2019-01-13 / 阅读(283) / 评论(0) 分类 VOA标准英语2011年(十二月)

New Treatment Potential Found in Popular TB Drug Scientists say new insights into a common tuberculosis drug will make it possible to shorten the treatment period for patients infected with TB. The drug pyrazinamide is widely used in combination with

发表于:2019-01-14 / 阅读(242) / 评论(0) 分类 VOA标准英语2011年(八月)

我们前两次讲了几个带有up这个词的习惯用语。今天要讲的习惯用语却都有和up相对的词: down。 Down这个词最常用的解释是往下。 比方说在今天要学的第一个习惯用语里:go down the drain。 Drai

发表于:2019-01-14 / 阅读(280) / 评论(0) 分类 美国习惯用语

类缘何而来?猩猩?还是猿?要追溯到更远的话,应该是单细胞生物吧! 纳尼!还不对? 那究竟是什么呢? 今天的节目将为您讲述生命的起源 Life Traces in Lava Don: Can I ask you something, Ya?l? Ya?l

发表于:2019-01-26 / 阅读(168) / 评论(0) 分类 英语听力文摘 English Digest

HEALTH REPORT - Progression of Age-Related Macular Degeneration By Nancy Steinbach Broadcast: Wednesday, January 28, 2004 This is Phoebe Zimmermann with the VOA Special English Health Report. American

发表于:2019-01-30 / 阅读(254) / 评论(0) 分类 健康与经济
学英语单词
abelianizing
absorption column
active antiroll fin
aesthetic perception test
Alcanena
alcohol ketone
alcoholic anonymity
ankh
Anti-fatigue
armature wedger
Arteria plantaris profundas
associative bipolar cell
barkometer
black-tailed godwits
capitalized value of planting-cost
characters per inch
cheese monkey
Christofascism
chrysochlorids
conveyer idler roller
crest profile
cruising radius
Dirichlet box principle
Eltekeh
European white poplar
external fluidized bed heat exchanger
Felis manul
follicular epithelial cell
frictional drag
goldsinny
gonifs
have a bone in one's leg
heliodons
help-lines
hold-page queue
hydroelastic
hypobalst
igu
inert constituents
intellectualisations
interstitial rate
intraductal adenocarcinoma of prostate
kerosene smoke
knitting
Lancang
lastreopsis tenera
leukencephalitis
leukosialin
logic assignment statement
major responsibility
Marshall,John
metal cloth
mock-up
natural rhythmic expression
nivaquin
norite
over the counter stock
ozro
peaty podzol
perfluorosulphonic acid
platformed
pneumatic control relay
positional operators
praealticus margaritarius
pseudo-inclusion body
pulse beating gently and regularly
pulse pattern generator
pulse wind tunnel balance
put sb to expense
refractive index normalized difference
reilluminating
Richard Strauss
rotary motions
rotating part
sculling propulsion
seismic energy
signwriter
simple bud
slipcover
sodium pump adenosine triphosphatase
stress position
Structured Funds
substance dependence
suppurative endophthalmitis
sustentacular
tail stinger system
tape request word
tectological
tenderfoot
toruliform
tragic fate
tucked away
uniform cost control
uniligand complex
viablest
victoriano
Voltage Sag
volume of unload fish
water-cooled footstep
whonde
Yupe