自动减速作用

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(238) / 评论(0) 分类 彭蒙惠英语

Rare but Deadly By Susan Brink /2005, U.S. News World Report . All rights reserved with permission. Distributed by Tribune Media Services International. Simple, cheap blood tests could save thousands

发表于:2018-12-19 / 阅读(306) / 评论(0) 分类 彭蒙惠英语

Every week, more children arrive to work in the hundreds of primitive mines in the bush. Here they endure long hours at dangerous jobs, wringing flecks of gold from the dirt with mercury. One of them is a 12-year-old boy named Saliou. Momodou is just

发表于:2018-12-26 / 阅读(251) / 评论(0) 分类 自然百科2016年

People start stereotyping early. Even toddlers react positively to members of their own race, but often distrust those from different groups. The seeds of racism are planted in most everyone. Everyone, that is, except people with a rare genetic condi

发表于:2019-01-02 / 阅读(256) / 评论(0) 分类 60秒科学

By Lisa Schlein The UN Children's Fund, UNICEF, says Iodine Deficiency Disorders, which cause mental retardation, are a huge problem in Europe and Central Asia. UNICEF says this disorder can be solved

发表于:2019-01-03 / 阅读(256) / 评论(0) 分类 VOA2004(下)--健康科技

People start stereotyping early. Even toddlers react positively to members of their own race, but often distrust those from different groups. The seeds of racism are planted in most everyone. Everyone, that is, except people with a rare genetic condi

发表于:2019-01-08 / 阅读(308) / 评论(0) 分类 Scientific American(四)月

Time now for StoryCorps. This oral history project is traveling the country, collecting interviews between friends and families. Today we hear from a daughter and her father. --My name is David Warm, I'm 51 years old. --My name is Mary Warm, and I'm

发表于:2019-01-08 / 阅读(347) / 评论(0) 分类 2006年NPR美国国家公共电台

This is the VOA Special English Health Report. Deep inside each cell in our body is all the genetic information needed for life. Human genes are normally organized along forty-six chromosomes -- twenty-three from each parent. David Petersohn of Libe

发表于:2019-01-11 / 阅读(361) / 评论(0) 分类 VOA慢速英语2008年(九)月

This is the VOA Special English Health Report. Human genes are normally organized along forty-six chromosomes in our cells, twenty-three from each parent. A school for people with Down syndrome in Mexico City But some people are born with an extra c

发表于:2019-01-11 / 阅读(203) / 评论(0) 分类 VOA慢速英语2009年(九)月

By Carol Pearson Washington 14 January 2008 For years autism has baffled researchers and devastated families. Autism typically appears in the first three years of life. Symptoms include problems with communication, difficulty forming relationships an

发表于:2019-01-13 / 阅读(196) / 评论(0) 分类 VOA标准英语2008年(一月)

Top executives from the three major U.S. automakers pressed Congress for aid to prevent their beleaguered industry from collapsing and causing additional harm to the U.S. economy. Lawmakers are considering an aid package to automakers, but prospects

发表于:2019-01-13 / 阅读(265) / 评论(0) 分类 VOA标准英语2008年(十一月)

Representatives of the White House and the Congress say they are making progress in negotiations on rescuing the embattled U.S. auto industry. Meanwhile, stock prices in New York have ended a two-day surge. U.S. Senate Majority Leader Harry Reid say

发表于:2019-01-13 / 阅读(298) / 评论(0) 分类 VOA标准英语2008年(十二月)

Some Republicans in the U.S. Senate say they will block a plan to rescue the country's three major auto companies. Meanwhile, new claims for unemployment benefits reached their highest level in 26 years. Sen. Richard Shelby, center, accompanied by,

发表于:2019-01-13 / 阅读(279) / 评论(0) 分类 VOA标准英语2008年(十二月)

U.S. auto company executives returned to Capitol Hill Friday to renew appeals for billions of dollars in emergency loans. They faced skeptical questions from members of the House Financial Services Committee dissatisfied with the automaker's restruc

发表于:2019-01-13 / 阅读(301) / 评论(0) 分类 VOA标准英语2008年(十二月)

The Lacandon are direct descendants of the Maya peoples who live in the jungles of the Mexican state of Chiapas. Until the mid-20th century, they had little contact with the outside world. As a result, the indigenous group was almost extinct. Today

发表于:2019-01-13 / 阅读(211) / 评论(0) 分类 VOA标准英语2009年(五月)

With congressional hearings set Thursday and Friday of this week in advance of a vote on lending money to the beleaguered U.S. auto industry, General Motors says it needs money almost immediately. VOA's Barry Wood has more on the controversy over go

发表于:2019-02-02 / 阅读(282) / 评论(0) 分类 VOA标准英语2008年(十二月)

By Mil Arcega Washington, DC 11 January 2007 watch US Auto Show Hollywood celebrities such as Carmen Elektra are adding glamour and excitement to the event. You know, entertainment merging with automobiles, music, fashion. It's really cool. I think

发表于:2019-02-02 / 阅读(310) / 评论(0) 分类 2007年VOA标准英语(一月)

SANTIAGO, Jan. 10 (Xinhua) -- Qatari auto racer Prince Nasser Al Attiyah won Day 6 of the legendary Dakar Rally Thursday, behind the wheel of a Buggy. Al Attiyah won the sixth stage of the rugged off-road race, between the Chilean cities of Arica and

发表于:2019-02-08 / 阅读(303) / 评论(0) 分类 英语新闻

BEIJING, July 11 (Xinhua) -- China's automobile sales hit 9.6 million units in the first half of 2012, up 2.93 percent year on year, data released on Wednesday by the China Association of Automobile Manufacturers (CAAM) showed. Auto output during the

发表于:2019-02-18 / 阅读(319) / 评论(0) 分类 英语新闻

这是一个令人心酸的故事,每个人都有权憧景新的生活,但年仅八岁的Philip除外,因为他缺乏憧憬未来的必要条件一个健康鲜活的生命,所以看看他的new life愿望吧,你一定被会为你的幸福感动

发表于:2019-02-20 / 阅读(227) / 评论(0) 分类 英语美文
学英语单词
absolute (star) catalog
al-kandari
all through the night
Anadyomenaceae
anteron
Askizskiy Rayon
average out at
benzene fulfonic amide
bistylic
body retention
broaden-and-build theory
building projects
cabinet bid
camber caster gauge
Canada turpenting
cassia cinnamon
chasing paper
Cloud County
commit sth. to the flame
conversationalize
coxed
Cozumel, I.de
crew change
curstfully
data sequence number
different to
divergence speed
double warp machine
drip-fed
druidic
economic cost-benefit analysis
electronic invertor
empirical floral diagram
ephesos
escape(ment)
feasiblenesses
fix something
forcefields
furans
gaspars
general giantism
genus Stenotomus
gime
governor load limitter
grayle
gyrocompasses
Hayes transmission bridge
hirudineans
His Master's Voice
hollow-edged equalling file
Homoarterenol
honey stone
inclined tie plate
ismailias
joint GLS coefficient estimator
kotschbeyite
Lingnaria chungii
logical capability
Malus formosana
mamasa
merfriend
merita
mesoenteriolum
molecular cloud
molecular orbit
Nakōdo-jima
nonipara
nuptialities
off ... feed
ornamental hub cap
parlimentarian
pebble mill
Piprāhi
pitch spot
plain lighting
pore-forming
post-romanticism
postmining
program audit
promise to
Ragged Pt.
reinforcement arrangement
Richard Evelyn Byrd
Rieste
satsuma rubrolaeva
scroll attachment
segmental grinding ring
shadow memory
shunting route indicator
sialic batholization
standing firm
swell of seafloor
synathresis
tda (time delay amplifier)
thesaurus of engineering and scientific term
thick-wittedness
throbber
torque characteristics
Twimoms
twisted stomach worm
wado
wienerschnitzel