音标:['eθә,laiz] ;
乙基化, 使成乙基

AS IT IS 2014-05-25 Scientists Search for New Ways to Stop Mosquitoes 科学家们寻找新的方法来对付蚊子 The sound of a mosquito can mean trouble in many parts of the world. The bite of a mosquito can be deadly. Today, we will hear about s

发表于:2018-12-08 / 阅读(612) / 评论(0) 分类 2014年VOA慢速英语(五)月

美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 630,000 people died of malaria-related

发表于:2018-12-19 / 阅读(575) / 评论(0) 分类 VOA双语新闻 2014年1月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-30 / 阅读(483) / 评论(0) 分类 单词解析速记

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-30 / 阅读(686) / 评论(0) 分类 单词解析速记

Grammar Girl here. Last week we talked about capitalizing words in the business world. Today we're going to talk about capitalization in general. If you recall, in English, we capitalize proper nounswords that name a specific thing or person, words s

发表于:2019-01-02 / 阅读(696) / 评论(0) 分类 英语语法 Grammar Girl

Grammar Girl here. In today's episode, well talk about capitalizationits overuse and its misuse in the business world. Lets talk about why capitalization of some words is a capital idea, and why uppercasing other words could be considered a capital o

发表于:2019-01-02 / 阅读(588) / 评论(0) 分类 英语语法 Grammar Girl

Grammar Girl here. Today guest-writer Bonnie Trenga is helping us talk about two sets of words that listeners get confused: pleaded guilty or pled guilty, and use or utilize. Plead Versus Pled Mike from Georgia is transitioning from law enforcement t

发表于:2019-01-02 / 阅读(687) / 评论(0) 分类 英语语法 Grammar Girl

'Occupy Wall Street' Movement Gains Size, Support One month after the Occupy Wall Street protesters moved into New York City's Zuccotti Park, the movement has spread globally, and gained momentum at home. Inspired by the Occupy Wall Street movement,

发表于:2019-01-06 / 阅读(589) / 评论(0) 分类 VOA标准英语2011年(十月)

UnderseaCableCouldRevolutionizeOceanography This past April, there was a big volcanic eruption in Americas Pacific Northwest. If you missed it, you're not alone. It happened under the ocean off the northern Oregon coast. Since then, several research

发表于:2019-01-11 / 阅读(621) / 评论(0) 分类 VOA标准英语2011年(九月)

By Matt Steinglass Hanoi 11 December 2007 Vietnam has been holding four Vietnamese-born American citizens since late November, accusing them of terrorism. The U.S. ambassador to Hanoi has criticized Vietnam's conduct in holding the U.S. citizens. Mat

发表于:2019-01-11 / 阅读(558) / 评论(0) 分类 VOA常速英语2007年(十二月)

By Greg Flakus Houston 15 February 2007 The U.S. Attorney's Office in Houston is planning to ask that accused terrorist Daniel Joseph Maldonado remain in custody without bail as it prepares its case against the man who is the first U.S. citizen char

发表于:2019-01-12 / 阅读(550) / 评论(0) 分类 2007年VOA标准英语(二月)

By Dan Robinson Capitol Hill 18 June 2008 In two resolutions, the U.S. House of Representatives criticizes Zimbabwe's President Robert Mugabe for ongoing political violence. VOA's Dan Robison has more in this report from Capitol Hill. Robert Mugabe

发表于:2019-01-13 / 阅读(644) / 评论(0) 分类 VOA标准英语2008年(六月)

The Israeli government is watching the violent unrest in Egypt - and protests in other Arab countries - with the primary concern that a radically aggressive Islamist regime could take over in Cairo and the political upheaval could spread. The protest

发表于:2019-01-14 / 阅读(511) / 评论(0) 分类 VOA标准英语2011年(二月)

Promising Mosquito Repellent Announced美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 6

发表于:2019-01-14 / 阅读(612) / 评论(0) 分类 VOA标准英语2014年(一月)

One Police stops on police vehicle outside one Victoria's Bar. After the preparation, as necessary arrests?, this liquor drive slightly mixes. Suddenly he sees to have a young people shakely goes out from bar, spend the many figures only then finds

发表于:2019-01-17 / 阅读(502) / 评论(0) 分类 白领英语晨读

Michael Drudge The principal architect of the European Union constitution says Britain will be left on the sidelines of Europe, if it rejects the treaty in a referendum. The warning about Britain's pl

发表于:2019-01-25 / 阅读(634) / 评论(0) 分类 VOA2004(上)--各类新闻

On its website, a history of the company makes no mention of leador indeed of Thomas Midgleybut simply refers to the original product as containing a certain combination of chemicals. 在它的网站上,公司的历史没有提及铅──也没有提

发表于:2019-02-17 / 阅读(579) / 评论(0) 分类 万物简史

By counting back through these layers and measuring the amount of lead in each, he could work out global lead concentrations at any time for hundreds, or even thousands, of years. The notion became the foundation of ice core studies, on which much mo

发表于:2019-02-17 / 阅读(560) / 评论(0) 分类 万物简史

Lead is a neurotoxin. Get too much of it and you can irreparably damage the brain and central nervous system. Among the many symptoms associated with overexposure are blindness, insomnia, kidney failure, hearing loss, cancer, palsies, and convulsions

发表于:2019-02-17 / 阅读(636) / 评论(0) 分类 万物简史

If you were going to a restaurant and wanted a healthier option, 如果你去饭店,你想吃得健康一点, which would you choose, grilled or fried chicken? 你会选择哪种食品呢,烤鸡还是炸鸡? Now most people would answer grill

发表于:2019-02-21 / 阅读(628) / 评论(0) 分类 TED演讲教育篇
学英语单词
aerodynamic axis of an air foil
aluminum antimonide
ammophos
anorectums
antialbumid
Antilerge
Astenile
awav
b-tests
basal breccia
blade-passage frquency
blunt-spoken
Bollon
branchial outgrowth
Brieulles-sur-Bar
bulk goods transport
Canonbie
case-reporting
choruses
coincidence of orders
Conewangoan
currency inflation
cyclotetramerized
cyme-botrys
cystojejunostomy
cytodifferentiated
daney
data inconsistency
dough spring
downlike
eight-bit data path
end-racking
ettal
euchaeta rimana
exudative retinitis
fine coal
floor thrust
fog coat
Forni Avoltri
geerite
Germanic peoples
get on top of
Hanceola flexuosa
hand logger
heavenly host
herkst
hiders
hyperglycemic factor
immune lysis
infective anosmia
inheritance of acquired characters
landing stages
latrophilins
lepisiota wroughtoni
lineae mediana anterior
liquid-filled fiber
make sb sick
medium-strength steel wire
Menger, Karl
message pads
milletti
millimeter astronomy
mud dab
named pipes
nitroferroin
noninhibitable
order of resonance
organ-transplant
osvald
paromomycetin
persuade (of)
Petre B.
phobic disorder
powered phase
projection efficiency
pseudorandom code fuze
pull crack
railway logging
range of feeds
real radius
reusable thermal protection material
rontgen equivalent man
Sant'Angelo in Vado
screw-down valve
secure setting
sharp cutoff tube
sheeting cap
shell atomic model
silicon aluminum alloy
smoke abatement
spiral stability
spring eye needle
steupsed
story-tellers
strain spectrum
the Atomic Energy Act
the fugue
thiamylal sodium
uptrends
W. African kino
water-blobs
Zalari