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(118) / 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(82) / 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(82) / 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(109) / 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(99) / 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(102) / 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(113) / 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(88) / 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(125) / 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(88) / 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(92) / 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(87) / 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(92) / 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(79) / 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(58) / 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(78) / 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(82) / 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(92) / 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(89) / 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(105) / 评论(0) 分类 TED演讲教育篇
学英语单词
acanthocyclops morimotoi
achillurabainiasis
Aeschynanthus poilanei
amidin
analytical type chromatograph
antih(a)emorrhagic vitamin
assum
autotoxemias
Bi'r'Alī
BPE
BTG (beacon trigger generator)
carlene
Chokpar
CILRT (containment integrated leak rate testing)
Cirsium souliei
cleaner discs
command status register
compositorial
consular relations
corpus ventrale
country of destination
Cremnosedum
cylinder head water nozzle
delta-winged aircraft
diffused profile
efflorescency
einstein's universe
ergostat
erstwhile
escolars
even Jove nods
execration
expert systems technology
extra-personal
fast neutron spectrometry
finned tubes exchanger
fixed field accelerator
flutter tonguing
forge delay time
fringe radiation
geniculate antenna
gummatous syphilis
her face
hump-shoulder
hydroelectric generating station
ictal
impedance, characteristic
Information Services
international knot
keep one's voice down
knallgas
laughtre
lfe history
life values inventory
Liouville's icterus
low-tower system
Manila card
Mathias formula
mercapt-
miller index
mtpa
negative tank
original hypothesis
part - time employment
phagotrophy
pithovirus
play-seer
pondward
proportionative
public security measure
radiation chemistry of water solution
reasonability
reaumur's law
reckons without
retained deciduous teeth
reussin
run-off rails
sample sum
sand horn
scare-bug
sea peak
seignorage
self hardening sand mixture
sequential switcher
sharedeals
short time count
snatch out of the fire
snow bin
software-transparent cache
spatial isolation
standard regional route transmitting frequencies
sterile deionized water
stramonium fluidextract
suaveoline
subduals
subfactor
sweepages
talking asshole
tights
trifling with
Vena interventricularis posterior
wrap-round