苯基溴苯酚

This is the VOA Special English Health Report. Bisphenol A is a chemical widely used to make hard, polycarbonate plastic. Food storage containers, reusable water bottles and baby bottles are among the many different products that may contain BPA. BP

发表于:2018-12-15 / 阅读(201) / 评论(0) 分类 VOA慢速英语2008年(九)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(251) / 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(194) / 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(174) / 评论(0) 分类 Scientific American(三)月

This is scientific American sixty seconds science. I am Amy Kraft. Got a minute? Sweat potatoes contains fiber, vitamin A and calcium, but the way that scientists think they can make them even more healthful is literally shocking. Researchers found t

发表于:2018-12-24 / 阅读(152) / 评论(0) 分类 Scientific American(八)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(158) / 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(148) / 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(270) / 评论(0) 分类 英语语法 Grammar Girl

By Carol Pearson Washington 04 July 2007 Researchers have found that chocolate dark chocolate is good for your heart. They say it may stave off hardening of the arteries among smokers, and it has more antioxidants per gram than red wine, green tea or

发表于:2019-01-06 / 阅读(199) / 评论(0) 分类 2007年VOA标准英语(七月)

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(193) / 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(205) / 评论(0) 分类 Scientific American(十一)月

1. The Dow Industrials rose nearly 142 points after more than a 500-point drop Monday. The move came as the Fed left interest rates unchanged and also pumped 70 billion dollars into the financial system. 2. Residents of Galveston in Texas have been

发表于:2019-01-11 / 阅读(264) / 评论(0) 分类 美联社新闻一分钟2008年(九)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(230) / 评论(0) 分类 VOA标准英语2010年(九)月

SCIENCE REPORT – January 9, 2002: Red Wine and Heart Disease By George Grow This is the VOA Special English SCIENCE REPORT. British scientists may have discovered the reason why red wine appears to

发表于:2019-01-30 / 阅读(204) / 评论(0) 分类 科技之光

By Melinda Smith Washington 08 August 2007 Scientists are concerned about the health risks of an ingredient in many of the plastic containers used for food and drinks Bisphenol A or BPA is a common chemical used to make tough, shatter-resistant plast

发表于:2019-02-03 / 阅读(179) / 评论(0) 分类 2007年VOA标准英语(八月)

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(338) / 评论(0) 分类 英语新闻

BRUSSELS, May 31 (Xinhua) -- Baby bottles containing the substance Bisphenol A (BPA) would have to be pulled from the shelves across the European Union (EU) starting from Wednesday, in a milestone move to better protect the health of EU citizens, an

发表于:2019-02-08 / 阅读(194) / 评论(0) 分类 英语新闻

Tea has complex compounds called polyphenols which are believed to help the arteries to relax or dilate, thus enabling a smoother flow of blood. 茶中含有一种叫多酚的复杂混合物。这种物质据信能帮助放松或扩张动脉,从而使

发表于:2019-02-17 / 阅读(224) / 评论(0) 分类 实用英语

听力内容有不详尽之处啊,欢迎大家留言讨论,纠正。谢谢 在线英语听力室http://www.tingroom.com Wed wines,it contains polyphenol, which have anti-accident properties.And those are known to accede lower our blood pressure b

发表于:2019-02-28 / 阅读(194) / 评论(0) 分类 访谈录2012年

Every time i go to the grocery stores,i consider buying Organic vegetables because they are supposed to be healthier or something,but they are also moreexpensive. So is it worth it to pay more for the supposed health benefits? Well, it might be w

发表于:2019-03-06 / 阅读(201) / 评论(0) 分类 英语时差8,16
学英语单词
.rul
ADA 1,Ada
Afternoon Delight
alkylstibines
american dietetic association
Anaphalis oxyphylla
antitemporal
attack transport
baseball bat
baseband receive terminal
be under sb's spell
bi(cyclohexyl)yl
Bingou
blotts
boundary layer flux
can-openers
cassini('s) grid
cctu
central respiratory failure
cerio
childhood obesity
chimleys
climbing-film evaporator
clock oil
coefficient of grounding
Collinson
culturgens
diablo
diguat dibromide
direct labour basis
Divilacan B.
document type
drying oil alkyd resin
explain to
family ameiuridaes
Formicarius
gamopetalus
gathered dust
giant magnetoresistance materials (gmr)
GMPC
half-reflecting mirror
heat availability
high way
IAPIP
ideographic comma
innovate
isotonic
large enterprises
logging software
main-flow aligenment
main-valve
management rights
maximizing land power
mesquin
Mexican fire plant
microinfuse
nitrosifying organisms
optimum operatiing frequency
oval bush
overshroud
paraagglutinogen
paxilli
pepas
photolectric scanner
Puerto Vallarta
pulpodistal
quarter-turn drive
raisings
Rheum rhabarbarum
riser turret mooring
rocky core
roll curtain
rotary screen dryer
series resonance frequency
Shwartzman test
sidedischarging
sink at sight
sixty-four dollar question
skin appendages
solid hydrocarbon fuel
Spirocerca sanguinolenta
supervisory signal
supply elasticity coefficient
tangi (maori)
tanning beds
telisha
the chosen people
thermophilum
tidswells
underwater execution
uniform mat
unruleful
unscrupulousnesses
up ahead
vicariance biogeography
visible speech analyser
vulcanized asbestos
watch materials
Wezemaal
xenomorphic mineral
xylulose-5-phosphate
zero cross circuit