音标:['tetrə,meθil'silein] ;
n. [有化] 四甲基硅烷

Agriculture Report - Experts Link East Africa Drought to La Ni?a in the Pacific 农业报道 - 专家认为东非干旱与拉尼娜现象有关 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 East

发表于:2018-12-16 / 阅读(126) / 评论(0) 分类 2011年VOA慢速英语(八)月

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(112) / 评论(0) 分类 2016年VOA慢速英语(十)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:2018-12-18 / 阅读(334) / 评论(0) 分类 儿童英文广播剧在线听

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:2018-12-18 / 阅读(328) / 评论(0) 分类 儿童英文广播剧在线听

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:2018-12-18 / 阅读(362) / 评论(0) 分类 儿童英文广播剧在线听

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(163) / 评论(0) 分类 Scientific American(六)月

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(186) / 评论(0) 分类 Scientific American(一)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(168) / 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(139) / 评论(0) 分类 初学者听力文摘精选

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(184) / 评论(0) 分类 60秒科学

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(157) / 评论(0) 分类 医务英语

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(171) / 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(200) / 评论(0) 分类 农业与发展

Somaliland's incoming President Ahmed Mohamed 'Silyano' Mohamoud, center, and Vice President Abdirahman Abdallahi Ismai, right, after President Mohamoud was sworn in as Somaliland's fourth president, 27 Jul 2010 Ahmed Mohamed Silaanyo was sworn in Mo

发表于:2019-01-07 / 阅读(119) / 评论(0) 分类 VOA标准英语2010年(七)月

By Greg Flakus Houston 02 August 2007 A bridge spanning the Mississippi River in the Midwestern city of Minneapolis collapsed Wednesday, during the evening rush hour, dumping scores of vehicles into the river. At least seven people died and local hos

发表于:2019-01-07 / 阅读(212) / 评论(0) 分类 2007年VOA标准英语(八月)

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(167) / 评论(0) 分类 VOA2003(下)-环境与健康

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(189) / 评论(0) 分类 经济学人科技系列

During the last week, three major murder trials came to an end. The first one to end, last Wednesday, was a trial of an immigrant from Zimbabwe, George Gwase, for the murder of his niece, 10-year old Charlene, in Christchurch. He was found Not Guilty

发表于:2019-01-27 / 阅读(140) / 评论(0) 分类 新西兰英语

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(184) / 评论(0) 分类 VOA常速英语2013年(十月)

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(192) / 评论(0) 分类 万物简史
学英语单词
ACIA
agricultural watershed
Akkadians
all-out
anionoid-polymerization
astrite
automatic vanishing-point control
bhats
bid-up
brain function determination
castlemont
CDRUSPACOM
cephalhematomata
closed-type hydraulic system
club to solving a case
collecting device
common swift
conference freight rate
contents of resin
contra-suggestion
creancer
didder
dilatancy of rock
dominga
dorsoventrad
drive-in theater
ejector grille
electro- photoluminescence
elvan-course
endo-oxidase
eutech
firefights
fockers
four wheel drive
freezing capacity
freshwater mussels
futures exchange
groundworms
haifley
harbo(u)r model test
Holy Roller
huffiest
insufficient space
internet e-mail system
khalidi
klon
laborsaving
laparohysteropexy
lay the grain
leading brush
length extension vibration mode
logical OR operator
m. iliocostalis lumborum
magnetic damper
medium access control (mac)
metrojet
microinfusions
moor fowl
multimediatizes
Nodi lymphatici intercostales
nonintellectual
nonkeratins
nonmanagerial
oenanthe deserti deserti
optional pilotage
parcel wrapper
platform spotting
Purposivism
radiation initiated polymerization
ragin
reactor containment shell
reported case
rounded gunwale
rubus henryi hemsl.et ktze.
Schminke
scrolltext
see-saw
self intoxication
semianalytic inertial navigation system
separation of homologous chromosome
short period fading
skink
slough loss
specimen-cell assembly
starsearch
steel mould for electric pole
surface geochemical survey
traumatic arthritis
trendites
tumo(u)r biochemistry
uncovered money
undeclared value
unit of taxation
vaglum
veterinary pharmacology of chemotherapeutics
water supply treatment
waterproof-belt
wauled
what's - his - name
whone
Yersin
Yooper