[电] 汞电池组

Project Mercury: The American Space Program Begins SHIRLEY GRIFFITH: EXPLORATIONS -- a program in Special English by the Voice of America. (SOUND) That announcement was made May fifth, nineteen sixty-one. It was the first manned flight of project Mer

发表于:2018-12-07 / 阅读(141) / 评论(0) 分类 2012年VOA慢速英语(七)月

Studies that will be released today show that fish, birds and mammals in New England have significant amounts of mercury in their bodies. The studies find the toxic metal in some unexpected habitats and they suggest that power plants in the Midwest a

发表于:2018-12-17 / 阅读(227) / 评论(0) 分类 2009年NPR美国国家公共电台7月

The Mercury Mess By Samantha Levine / 2004, as first appeared in U.S. News nbsp; What are the dangers of mercury in fish? Can the mercury mess be cleaned up? 1 Are these fish safe to eat?” It’s a

发表于:2018-12-19 / 阅读(145) / 评论(0) 分类 彭蒙惠英语

This battery is dead. 这电池没电了。 dead上句中是形容电池没电了,上句也可说成: This battery is flat. 和上两句意思相反的是: This battery is still good. 电池还有电。

发表于:2018-12-25 / 阅读(146) / 评论(0) 分类 蒋健棠英语实用句子

Mercury Fillings Seem Safer over Time A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system

发表于:2019-01-02 / 阅读(196) / 评论(0) 分类 60秒科学

HEALTH REPORT – December 11, 2002: Mercury Levels in Fish By George Grow This is the VOA Special English Health Report. Two studies are adding to the debate about the health risks of eating fish con

发表于:2019-01-07 / 阅读(144) / 评论(0) 分类 健康与环境

VOICE ONE: EXPLORATIONS -- a program in Special English by the Voice of America. (SOUND) That announcement was made May fifth, nineteen sixty-one. It was the first manned flight of project Mercury. Today, Tony Riggs and Larry West tell about the beg

发表于:2019-01-11 / 阅读(157) / 评论(0) 分类 VOA慢速英语2009年(六)月

How the 'Mercury 13' Led the Way for Women in the US Space Program Im Steve Ember. And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about a program in the nineteen sixties to train women as astronauts. Today they are known

发表于:2019-01-12 / 阅读(117) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - How the 'Mercury 13' Led the Way for Women in the US Space Program Im Steve Ember. And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about a program in the nineteen sixties to train women as astronauts. Today

发表于:2019-01-12 / 阅读(132) / 评论(0) 分类 2013年VOA慢速英语(四)月

EXPLORATIONS - Project Mercury: Alan Shepard Becomes the First American in Space STEVE EMBER: This is Steve Ember. SHIRLEY GRIFFITH: And this is Shirley Griffith with the VOA Special English program EXPLORATIONS. Today we finish the story of the firs

发表于:2019-01-12 / 阅读(138) / 评论(0) 分类 2012年VOA慢速英语(八)月

AILSA CHANG, HOST: Later tonight at Europe's spaceport in French Guiana, a probe is scheduled to lift off. Its goal, as NPR's Joe Palca reports, is to explore the mysteries of Mercury. JOE PALCA, BYLINE: Mercury is a funny little planet. Like the Ear

发表于:2019-01-17 / 阅读(114) / 评论(0) 分类 2018年NPR美国国家公共电台10月

Before you next flush the toilet, consider this: Scientists in Singapore have developed battery powered by(用…推动的) urine(尿). 下次冲厕所之前,请不要忘记下面的介绍:新

发表于:2019-01-20 / 阅读(228) / 评论(0) 分类 阅读空间

SCIENCE IN THE NEWS - Mercury in Fish / Life on Land / The Goldman Environmental Prize By Broadcast: Tuesday, May 11, 2004 (THEME) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm B

发表于:2019-01-30 / 阅读(272) / 评论(0) 分类 科技之光

The U.S. space agency(代理中介) has released the first ever image taken of the surface of Mercury from a spacecraft orbiting the planet. The black and white image, posted on the NASA website Tuesday, shows a surface pocked with craters of varying

发表于:2019-01-31 / 阅读(154) / 评论(0) 分类 英语新闻

The U.S. space agency NASAs Messenger probe(正直的,廉洁的 ) is scheduled to reach Mercury later this week, and become the first spacecraft to orbit the planet closest to the sun. During Messengers year-long orbital mission, scientists exp

发表于:2019-02-05 / 阅读(140) / 评论(0) 分类 英语新闻

The U.S. space probe MESSENGER is poised to enter orbit around Mercury(水银) early Friday, Universal time, capping a nearly seven-year journey to the solar systems innermost planet. Scientists with the U.S. space agency, NASA, hope the orbiting

发表于:2019-02-05 / 阅读(131) / 评论(0) 分类 英语新闻

Ever wanted to be an astronaut? Imagine it was you, who was heading to the hot zone of the two inner planets, where would you go? What would you see? And how would you survive? The latest robotic machines have revealed more about these worlds than ev

发表于:2019-02-05 / 阅读(181) / 评论(0) 分类 自然百科2012年

Everyone likes a vacation in a warm climate, but how about a trip to two planets that are as hot as hell? If you are walking on the surface of Mercury, you need one heck of a spacesuit. Mysterious Mercury appears lifeless and desolate, but hidden dee

发表于:2019-02-05 / 阅读(188) / 评论(0) 分类 自然百科2012年

By Paul Sisco Washington, DC 15 February 2008 Scientists have started analyzing data and images acquired when the Messenger space probe passed within 200 kilometers of the planet Mercury last month. It was the first flyby of the solar system's inner-

发表于:2019-02-06 / 阅读(205) / 评论(0) 分类 VOA常速英语2008年(二月)

Like Mercury, the earth takes a beating from the sun's violent temper. Flares, sun storms and other solar hissy fits can cause electronic mayhem for the satellites that roam above our heads. Fortunately, the earth is protected from this radiation by

发表于:2019-02-15 / 阅读(262) / 评论(0) 分类 自然百科2012年
学英语单词
age at weaning
Agrippina, the Younger
anal sphincters
aspartic
assigner
auto-protective x-ray tube
be suspicious of sb
Blackwater National Wildlife Refuge
boileau-despreaux
butt fucked
by regions
call-board
Chisineu-Cris
Cincain
coefficient of locomotives required
column of fornix
compensation of magnetic compass
conclusion of the award
consolidated drained test
contrast of fringes
copage
coparaffinate
correlation display analyzing and recording
descriving
diaschistic rocks
direct current biasing
disclination
Doppler receiver
doughtier
drug user
dunoyers
dynamic strain amplifier
economics-baseds
eddying flow
effective emissivity
eighty-column puncher
epoxy asphalt
eriocraniids
even pinnately compound leaf
expediated
fibre loss
financial crime
focary
Frassinoro
hoofed
Hunter-Given's method
inhibit wave
internal spermatic fascia
iodohydric
kings' ransoms
laser satellite
lateral dimensions
lip high line
lyretails
Mallotus metcalfianus
metadrama
microglitches
microphon
molokhia
non-switched network
nonlinear waves
Omega system
otoganglion
overleavened
pcprobes
Penstaphon
Phenician
Philippine eagle
photoagglutinin
polysome(polyribosome)
portentive
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pumpwood
re-divided
rhizospheric microflora of soil
salangs
salt-crystal imprint
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skidding hook
Smith Pt.
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starter interlock cct
steel pole
steel reinforced concrete
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synbiotic
system operability test(sot)
Tensinase
the stamp act
theory of productive forces decide everything
traduces
transfer head
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ultrasonic imaging device
un-der
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wingwalk