[化] 甲代三氯硅烷

Mr. President, Mr. Speaker, Members of the Congress of the United States: The gravity of the situation which confronts the world today necessitates my appearance before a joint session of the Congress. The foreign policy and the national security of

发表于:2018-12-04 / 阅读(390) / 评论(0) 分类 名人演讲

AS IT IS 2016-10-01 Report: Smoking May Permanently Damage Genetic Material 报告称吸烟或永久性损伤你的遗传物质 Here is another reason to not light up a cigarette. Smoking can permanently damage your genetic material, according to a n

发表于:2018-12-16 / 阅读(98) / 评论(0) 分类 2016年VOA慢速英语(十)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(150) / 评论(0) 分类 Scientific American(六)月

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

发表于:2018-12-24 / 阅读(152) / 评论(0) 分类 Scientific American(三)月

Plant Self-defense Plants may appear to be helpless in the face of hungry,toothy animals but many plants have evolved interesting systems of self-defense. Coarse meadow grasses are a good example. If you run your finger along a blade of coarse grass,

发表于:2018-12-31 / 阅读(108) / 评论(0) 分类 英语听力文摘 English Digest

Marlboro is the worlds largest selling brand of cigarettes. It is made by the Philip Morris Company, originally a London-based cigarette maker. Philip Morris named the cigarette after the location of the companys first factory in Londons Great Marlbo

发表于:2019-01-01 / 阅读(133) / 评论(0) 分类 各大品牌英文介绍

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:2019-01-02 / 阅读(165) / 评论(0) 分类 午后咖啡

If you are like many language students, you might have a problem with procrastination. Perhaps you are slow to do homework or study for a test. Maybe you do not like to study or you become distracted while studying. Whatever the case may be, learning

发表于:2019-01-02 / 阅读(460) / 评论(0) 分类 2017年VOA慢速英语(六)月

M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物(舞茸提取物) Malonyl Oleanolic acid Hemi

发表于:2019-01-03 / 阅读(152) / 评论(0) 分类 医务英语

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(188) / 评论(0) 分类 农业与发展

PEOPLE IN AMERICA - May 12, 2002: Dorothy West By Doreen Baingana VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with the Special English Program, PEOPLE IN AMERICA. Every week, we te

发表于:2019-01-07 / 阅读(228) / 评论(0) 分类 People in America

By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

发表于:2019-01-11 / 阅读(154) / 评论(0) 分类 VOA2003(下)-环境与健康

AS IT IS 2015-07-14 Silica Sand Mining Worries Communities 美国硅砂矿引发社区担忧 The United States is increasing production of oil and natural gas through a process known as fracking. This process is sometimes called hydraulic fracking be

发表于:2019-01-12 / 阅读(151) / 评论(0) 分类 2015年VOA慢速英语(七)月

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: Anu Garg, creator of the A.Word.A.Day Web site and author of a new book called Another Word A Day: An All-New Romp Through Some of the Most Unusual and Intriguing Words in English

发表于:2019-01-18 / 阅读(169) / 评论(0) 分类 英语单词大师-Word Master

AILSA CHANG, HOST: Despite mounting evidence and a stream of dire warnings, federal regulators and mining companies failed to protect coal miners from toxic dust. MARY LOUISE KELLY, HOST: NPR and the PBS series Frontline spent more than a year lookin

发表于:2019-01-19 / 阅读(136) / 评论(0) 分类 2018年NPR美国国家公共电台12月

Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(175) / 评论(0) 分类 经济学人科技系列

BEIJING, Aug. 8 (Xinhua) -- China on Wednesday started to review anti-dumping measures it imposed on chloroprene rubber imported from a Japanese company, the Ministry of Commerce said. The move came after the ministry received complaints that Japan E

发表于:2019-02-05 / 阅读(192) / 评论(0) 分类 英语新闻

Cement is a major component of concrete, the world's most widely used man-made material, an integral part of roads, bridges and buildings. But making cement requires heating limestone and other materials to very high temperatures, a process that rele

发表于:2019-02-08 / 阅读(236) / 评论(0) 分类 VOA标准英语2010年(一月)

RABAT, Dec. 26 (Xinhua) -- The Moroccan national team coach Rachid Taoussi announced Wednesday the squad for the finals of the African Cup of Nations (ACN-2013) in South Africa from January 19 to February 10. Taoussi left out Queens Park Rangers forw

发表于:2019-02-08 / 阅读(218) / 评论(0) 分类 英语新闻

The International Organization for Migration says about 1,000 Moroccan migrants who came to Italy with the promise of seasonal work, are living in squalid conditions on abandoned farms. IOM says the migrants were lured to Italy with false promises o

发表于:2019-02-12 / 阅读(127) / 评论(0) 分类 VOA标准英语2009年(八月)
学英语单词
acceptance requires
acid convertor
alluvial delta
Alu repetitive sequence
angled stud
assistance contribution
audiles
autotomising
beta rhythm
bibliotherapy
bissextile day
Black's method
boot magnetron
boring jig
branching stream
chlorodinitronaphthalene
civil claim
constituency campaign
constituent part
cool school
cyrtometry
deck logbook
dedum
deoxynucleotidyltransferase
direct-reading system
eightsomes
epiphyseopathy
Erdkobalt
extraconal
fair-trade
fishing maintenance right
full employments
gaolbreaks
gas6
gentle agitation
get off my back!
get something out of your system
gneiss-mica schist
Gothic art
groove-type contraction joint
hawaiian region
helical-tooth
hepatico-
homogeneous equilibrium critical flow model
hydrogen fluorides
hydrotropic
icees
imitation wood
in oneself
inspection eye
instrument test repair laboratory
integrated communication facility
intensive fish culture in reservoir
Irvin
joint capital investment
kinovin
Kinzers
Kitay-gorod
limor
long live -
loran-c sonde
minisaga
misorientate
neuritic skin-disease
nihao
no end of
nonsecreter
nut and lever steering
observed gravity anomaly
Olavakod
online mall
oused
parasternal shield
Pareto-improvements
pediment
petco
protection in remote control system
radius of particle
reenroll
regio suprascapularis
rhenium(vi) oxytetrafluoride
rohrbach's solution
rollgang
ruggedized electron tube
s'est
Seredisk
shearing stress in torsion
Siebold walnut
skateboard rail
storatron
stormrider
t-they
tax free export
Tetracentron
the capital account
theory of finite groups
underapply
vo
wafer-level packaging
whalens
ylang-ylangs
zigzaglaser