三甲基溴-IDA

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:2018-12-04 / 阅读(215) / 评论(0) 分类 冀教版高中英语必修二

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(391) / 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(99) / 评论(0) 分类 2016年VOA慢速英语(十)月

今天要讲的三个习惯用语都是和零碎的小东西有关。他们之间的区别只是使用的场合不同,或者是来源不一,用法相近。现在我们就分别为各位讲解这三个习惯用语。他们是:odds and ends, knic

发表于:2018-12-16 / 阅读(211) / 评论(0) 分类 美国习惯用语

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(151) / 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(153) / 评论(0) 分类 Scientific American(三)月

You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t

发表于:2018-12-28 / 阅读(118) / 评论(0) 分类 初学者听力文摘精选

Grammar Girl here. Today's topic is words that can get you into trouble. Guest-writer Bonnie Trenga writes: Once upon a time, some mistaken citizens stood up for American principals, p-r-i-n-c-i-p-a-l-s. Across the Atlantic, a nutty queen sat on her

发表于:2019-01-02 / 阅读(209) / 评论(0) 分类 英语语法 Grammar Girl

Stomach Cells Happier with Dark Roast Coffee 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 research presented

发表于:2019-01-02 / 阅读(171) / 评论(0) 分类 60秒科学

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(154) / 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(189) / 评论(0) 分类 农业与发展

By Paula Wolfson White House 24 July 2007 President Bush is stressing the link between al-Qaida and Iraq, as he seeks to build support for his war policy. VOA White House correspondent Paula Wolfson reports Mr. Bush says terrorists in Iraq pose a dir

发表于:2019-01-09 / 阅读(165) / 评论(0) 分类 2007年VOA标准英语(七月)

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

Ethiopia will accomplish the construction at any cost whether donors continue funds or not. The giant Gibe III dam, now being built on the Omo River in southwestern Ethiopia is a boon for some, a problem for others. Supporters say it will provide ele

发表于:2019-01-14 / 阅读(185) / 评论(0) 分类 VOA标准英语2010年(九)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(177) / 评论(0) 分类 经济学人科技系列

New Yorkers Take Transit Woes in Stride NEW YORK Life regained some semblance of normalcy on Thursday for New Yorkers affected by superstorm Sandy, as public transportation started to come online and millions of people returned to work. But for those

发表于:2019-01-31 / 阅读(157) / 评论(0) 分类 英语新闻

Laurie Kassman Top U.S. officials say the terrorist group al-Qaida is poised to hit the United States sometime during the next several months. U.S. Attorney General John Ashcroft says authorities are

发表于:2019-01-31 / 阅读(420) / 评论(0) 分类 VOA2004(上)--国际时事

Body Clock Provides Clues to Aging 生物钟提供衰老的线索 If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bod

发表于:2019-01-31 / 阅读(164) / 评论(0) 分类 VOA常速英语2013年(十月)

VIENNA, July 6 (Xinhua) -- The Austrian Olympic Committee (OOC) has nominated 69 athletes to take part in the 2012 London Summer Olympic Games, the APA reported on Friday. This will make it the smallest team since the 1976 Montreal Games where 64 Aus

发表于:2019-02-02 / 阅读(198) / 评论(0) 分类 英语新闻

VIENNA, May 9 (Xinhua) -- The Austrian Olympic Committee (OeOC) nominated a further 13 athletes for its 2012 London Olympic Games team on Wednesday, bringing the total to 37 athletes across 12 sporting disciplines. OeOC President Karl Stoss said he p

发表于:2019-02-02 / 阅读(219) / 评论(0) 分类 英语新闻
学英语单词
accuracy appraisal
action of of detine
air-breathing rocket
are flame
automatic-batch column dryer
block chartlet
boehmites
cartridge-fabrication plant
centrifugal dedimentation
change gear plate
citcular file
collimating mark
color autoradiography (CAR)
common-channel
competor
computational method of linear algebra
condenser valve complete
control telephone repeater station
controversiallst
Cooksburg
Cormelles
credit race
Darryl Francis Zanuck
divided-by symbol
Domagoj
dynamics of atomosphere
Dyson, Freeman
Elatostema recticaudatum
estheticized
even-aged wood
Farol Pt.
fir-cones oil
first day covers
Fl. S.
furfuralcohol-modified urea formaldehyde resin
gain headway
glueline
heat pump water heater
Ichikawa Kon
in and out shop
industry practice
infeoffments
inflorescence abortion
information grouping logic
intermolecular selectivity
jumping saddle
kindling phenomenon
knockoffs
Kompong Beng
liklie
MDGF
methyldehydrotestosterone
micropool
myodystony
nailset
near-zone sounding
neatoes
Nervus petrosus minor
neurodendrite
neuropore
noise in coal mine
noise ratio
non-conclusive
non-reef-buil-ding coral
nucleate crystallization
on - line database
opisthocoelous
outraise
oxide core
pantograph frame
pardofelis marmorata
photopathic
pollen pini
ponyalis dolosa
posterior sacrosciatic ligaments
preliminary crusher
psalming
pudendal cleavages
pyrolytic infiltration
reactive liquid sintering
resin blaze
Rossi-alpha measurement
RPPP
short supply of stock
short-circuit brush
sidewall core
special paint
ss(c)DNA
standard polynomial
stellulae
subinvolution of uterus
subradical hysterectomy
surface reconstruction
the drinks
Tolna Megye
triestinoes
turnover of raw materials
tympanometric
unfactual
urea carboxylic acid
vasocongestive
weighting propagation