点火延迟

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(180) / 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(227) / 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(183) / 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(192) / 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(175) / 评论(0) 分类 VOA2004(下)--健康科技

By Lisa Bryant Paris 17 September 2007 This week, the World Bank is launching an unusual initiative to get Africans living in Europe to invest back home - through a competition, complete with cash prizes, for the best development projects targeting s

发表于:2019-01-07 / 阅读(217) / 评论(0) 分类 2007年VOA标准英语(九月)

By Nick Wadhams Nairobi 25 September 2007 Plans for a sugar factory in Kenya's Tana River Delta have ignited a bitter dispute between conservation groups and economic officials. As Nick Wadhams reports from Nairobi, opponents argue development could

发表于:2019-01-07 / 阅读(261) / 评论(0) 分类 2007年VOA标准英语(九月)

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(223) / 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(253) / 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(256) / 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(144) / 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(144) / 评论(0) 分类 VOA标准英语2008年(一月)

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(158) / 评论(0) 分类 VOA标准英语2009年(五月)

By Trish Anderton Bali 05 December 2007 At the U.N. conference on Global Climate Change in Bali, the early talk has focused on whether some of the major developed countries will commit to cutting greenhouse gas emissions in the coming years. European

发表于:2019-01-27 / 阅读(173) / 评论(0) 分类 VOA常速英语2007年(十二月)

By Derek Kilner Nairobi 21 November 2007 Kenya's Electoral Commission is hearing complaints from candidates who failed to secure their parties' nominations for parliamentary elections, scheduled for December 27. As Derek Kilner reports from Nairobi,

发表于:2019-01-31 / 阅读(197) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Anjana Pasricha New Delhi 02 May 2008 In India, controversy has erupted around foreign cheerleaders brought in to provide entertainment for a newly-launched cricket tournament. As Anjana Pasricha reports from New Delhi, many of the cheerleaders ha

发表于:2019-02-02 / 阅读(190) / 评论(0) 分类 VOA标准英语2008年(五月)

Your Everything 歌手:keith urban The first time I looked in your eyes I knew That I would do anything for you The first time you touched my face I felt Like Ive never felt with anyone else I wana give back what youve givin to me And I wanna witne

发表于:2019-02-07 / 阅读(173) / 评论(0) 分类 好听的英文歌曲

今天我们要学的词是spark。 Spark, 作为动词,意思是导致,引起。纽约市和罗德岛最近先后通过了允许同性恋结婚的法律。 The trend of legalizing gay marriage sparked an intensive debate over the meaning of marr

发表于:2019-02-08 / 阅读(172) / 评论(0) 分类 英语单词荟萃

I still believe by Mariah Carey You look in my eyes And I get emotional inside I know it's crazy but You still can touch my heart And after all this time You'd think that I Wouldn't feel the same But time melts into nothing And nothing's changed I st

发表于:2019-02-08 / 阅读(172) / 评论(0) 分类 好听的英文歌曲

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(151) / 评论(0) 分类 英语美文
学英语单词
Abū 'Ushar
access module
activity correction factor
an Arcadian youth
anisopia
asian countries
associate strain
back burner
Bare I.
best-fits
betsiboka
Boselaphus tragocamelus
cafards
calf sound
carnation families
circuit number
clearinghouses
closed control of system performance
cluster pepper
code excited linear prediction (celp) vocoder
Conchos, R.
countersupply
coxa vara luxans
crepuscular period
dalkey
declaration of estimated tax
deums
displacement threshold acuity
ehilitis
Estrofem
family rhiptoglossas
fan-tailed
fibroreticular
fly anchor
fresh air mask
fursultiamine
genus bothropss
Gifford's operation
GRK6
henry iiis
high velocity stars
highsiliconpigiron
hot weather concrete
hot-water heater
hydrographic charting
hypereutectoid
isazofos
isikveren
kidney graft
levalbuterol
lilium pollen
maximal oxygen intake
melting loss
metallic vapor laser
microbic
minoritary
mocar
monopol soap
mouvements
myringectomy
newley
nominal operating condition
noping
nuclear gauge
nutrient absorption
object technology
once-solid
one-way packaging
operational feasibility
overfeed pin stenter
overneath
parasitical
pesters
Petworth House
psychologic operations intelligence
puckball
quick freezing food
reaction temperature
rim-generator tubular unit
rubricating
Schotten-Baumann acylation reaction
serumlevels
Shajiang
signal bridge
Solubacter
splenials
sprigged ware
stacked modals
stretch flanging
striking formwork
sub-topics
switchable code
syrian monetary units
taken stock
tandem circuit
tenner
tetrahedral symmetric curve
the shakers
transient ischemic attacks
unequivocal language of the laws
variable X-ray source
Whigling