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
Acantholimon tianschanicum
ace-taminophenol
Acetomonas
air-break switch
airwalks
Al Aqabah
analog voltage signal
auditing manual
automatic SPOOL
back-draw
basal cover
boraddille
cangucu (cangussu)
Cavia
Cbt
civic science
clenched-fist
cold condition
collyrial
colony count
concertina folding door
counter-measures
crystal reflector
de-stressing
depressionlike
dethiomethylase
difluorophthalic anhydride
diorite-plagiogranitic
disability of mind
do a number
do you read me
Donald, Mt.
elastic compress
Erigeron latifolius
exertional
faint impression
Filoral
first-test
flux inclusion
fly through
foot stove
Gamawa
gastrokinesography
grayishly
ham-and-eggery
haptene antibody complexes
heat precipitation
human will
i can't
International Alumina Association
intertemporal model
isignies
jib stopper
kaolin
kneafsey
lactoglycerol
ladybird spider
lateral whipping
leapful
light intensity high (lih)
line counter file
look daggers
lovemakers
low temperature recrystallization anneal
make one's own way
manila grasses
meiocycly
microcrystalline dispersion
monotonic functional
moving curve
mulloney
multi-use real-time operation system
oath ex officic
okawara
palanquin
pastorek
photronreflectometric technic
programing change
provincianos
rabbit septicaemia
rescap
rescue operation
riatas
rotary tuning
Ruang, Pulau
rugmaker
rupture of uterine scar
s tongue
Sachsse's test
saddling with
sakawa orogeny
scruff of the neck
sector policy paper
sharp shock
silvestridia hutan
slewing guy pendant
Solotvyn
sunset job
supertopics
tert.-butyl bromide
topological groups
VGCC