三(4-溴苯基)胺

Congressional leaders are reporting progress today in talks aimed at fashioning a bailout of the country's financial markets. NPR's Debbie Elliott has more. Negotiations jump-started after House Republicans joined the talks. Minority Leader John Boe

发表于:2018-12-02 / 阅读(94) / 评论(0) 分类 2008年NPR美国国家公共电台九月

This is the VOA Special English Agriculture Report. The United States has urged China to accept new safety rules for its food and drug exports. American officials said the rules would include a new list of Chinese exporters. Agriculture Secretary Mi

发表于:2018-12-07 / 阅读(62) / 评论(0) 分类 VOA慢速英语2007年(五)月

1513 、 磁化电流 magnetizingcurrent 1514 、 磁性 magneticproperty 1515 、 磁场 magneticfield 1516 、 磁场强度 magneticfieldstrength 1517 、 磁漆;瓷漆 enamelpaint 1518 、 磁铁

发表于:2018-12-08 / 阅读(67) / 评论(0) 分类 英文名句短语

书表慢性病 续处方笺Chronic Illness Prescription Slip 慢性病 续处方笺Chronic Continuous Prescription 慢性病 续处方笺Refill Presriptions For Chroni Disease 诊断书Medical Certificate 挂号费Registration Fee 证明费Certifica

发表于:2018-12-12 / 阅读(120) / 评论(0) 分类 医学英语

This is the VOA Special English Agriculture Report. Melamine is an industrial chemical. So how and why did it get into pet food that caused kidney failure in cats and dogs? And what might be the risk to the human food supply? These are questions tha

发表于:2018-12-15 / 阅读(76) / 评论(0) 分类 VOA慢速英语2007年(四)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(159) / 评论(0) 分类 美国习惯用语

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(124) / 评论(0) 分类 万物简史

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(100) / 评论(0) 分类 Scientific American(三)月

Fun Fact: Alligators Can Regrow Teeth 有趣的事实:短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal

发表于:2018-12-28 / 阅读(68) / 评论(0) 分类 初学者听力文摘精选

its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th

发表于:2018-12-31 / 阅读(64) / 评论(0) 分类 英语听力文摘 English Digest

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(162) / 评论(0) 分类 英语语法 Grammar Girl

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(108) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(110) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-Second Psych, I'm Christopher Intagliata, got a minute? While at Stanford in the mid-1960s, One Flew Over the Cuckoo's Nest author Ken Kesey started adding a peculiar ingredient to his home-cooked venison stew--LSD. N

发表于:2019-01-08 / 阅读(126) / 评论(0) 分类 Scientific American(三)月

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(144) / 评论(0) 分类 VOA标准英语2010年(九)月

高考英语作文开头技巧大集合 一篇文章通常可分为三个部分,即开头、正文和结尾。这三个部分安排是否得体,直接影响到文章的质量。 文章的开头一般来说应尽量做到开门见山,用简单明白

发表于:2019-01-17 / 阅读(162) / 评论(0) 分类 英语作文

Protamine sulfate is a drug that reverses the anticoagulant effects of liver compounds such as heparin. Protamine is extracted from the sperm of salmon and other species of fish, and then made into a protamine sulfate injection which is a necessary d

发表于:2019-01-19 / 阅读(100) / 评论(0) 分类 世界各地新闻集锦

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(230) / 评论(0) 分类 英语新闻

An investigation has revealed six garment manufacturers in Shanghai have made school uniforms using toxic dye. The city's quality watchdog says it found aromatic amine dye in uniforms sold to 21 primary and middle schools across the city. China's nat

发表于:2019-02-14 / 阅读(95) / 评论(0) 分类 英闻天下

日本名护市市长开始竞选 TOKYO, Jan. 12 (Xinhua) -- Candidates started their official campaign on Sunday to compete for the mayor of Nago, an election which may affect the relocation of a U.S. military base in Okinawa. It will be a race betw

发表于:2019-02-19 / 阅读(103) / 评论(0) 分类 英语新闻
学英语单词
act of usury
ames institute of atomic research
amperemeter,amperometer
Apiezon oil
atomic beam laser
aulacorthum nipponicum
basic rest-activity cycle (brac)
bone flour
butthey
carryke
caterpillar machinery
coil buggy
comoving reference frame
compulsory work
conduction type furnace
czech-slovaks
deadbeat compass
debugging request execution
depression of spirits
ecylert
electric snow melter
erosive adenomatosis of the nipple
Ethmoidomaxillary
fixed angle rotor
furlet
gain colour
gladish
helmrich
homicidal wound
honduran capitals
hypogeusia
IC-BPMS
internet games
isobaric spin selection rule
ivory tint
jack-up test of suspension
jackstay
Kalola
keratinizatioin
letter location
li'l' old
longiaristatus
loose-flowings
machintosh
Manacas, Cayo
master contactor
meems
melafix process
mianin
miscellaneous charges order
myelogonium
noest
North-South negotiations
open-circuit transition
piprinhydrinate
polar orthographic map projection
political-funding
postcardlike
praying machine
prolactin release inhibitory factor(PRIF)
pseudo philosophical
pulling in machine
random-shaped stone
rerollable
Rhododendron bonvalotii
rugged catalyst
s-factor(special factor)
scattered read
sea-born magnetometer
seajack
servo dyne
slow-speed machine
Smith, William
spell-able
spellwork
sperm tubule
static loading test
subglacial relief
subsurface waterlogging
suerging force
Suez Canal Zone
sulfation reaction
taemuui-do (richy i.)
tempest-tosseds
the business of the meeting
thermal desorption spectrum
thermodiffusiophoresis
Thompson process
throat gap
tide zone corrosion
transistor circuit engineering
tricho-rhino-phalangeal syndrome
unbrotherly
unit of cargo
unthanked
UV-light activator for resin polymerization
vinyl sulfide
violative
volumetric standard
watch dial
westgates
xenophora solarioides