[医] 溴苄乙腈, 溴苄氰

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发表于:2018-12-03 / 阅读(228) / 评论(0) 分类 20本英文音韵童谣小书(文本+音频)

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(216) / 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(164) / 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(139) / 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(121) / 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(111) / 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(230) / 评论(0) 分类 英语语法 Grammar Girl

By Doug Levine Washington 28 October 2006 Saxophonist Michael Lington became a fan of American jazz while growing up in his native Denmark. It was a passion so strong that he eventually settled down in the U.S. and launched a recording career. In a

发表于:2019-01-04 / 阅读(223) / 评论(0) 分类 2006年VOA标准英语(十月)

欣赏独具创意的英语广告!边听边看边学,品味世界名牌的风范,从细微之处感受英美社会的文化。

发表于:2019-01-05 / 阅读(207) / 评论(0) 分类 广告大餐

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(159) / 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(162) / 评论(0) 分类 Scientific American(十一)月

The United Nations has called on Nepal's former Maoist rebels to release child soldiers who were recruited as guerilla fighters during their decade-long campaign to overthrow the monarchy. Anjana Pasricha reports from New Delhi, the former rebels ar

发表于:2019-01-13 / 阅读(152) / 评论(0) 分类 VOA标准英语2008年(八月)

While women continue to advance in American society, many little girls still get stuck in a world of fairytale princesses and frilly pink dresses. That does not sit well with journalist Peggy Orenstein, who mused about her young daughter's obsession

发表于:2019-01-14 / 阅读(141) / 评论(0) 分类 VOA标准英语2011年(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(194) / 评论(0) 分类 VOA标准英语2010年(九)月

Washington Insider Susan Rice Could Face Tough Nomination Battle Ambassador Rice has been a Washington insider practically since birth. She grew up in affluent Washington circles, the daughter of a governor of the Federal Reserve System. She distingu

发表于:2019-01-14 / 阅读(141) / 评论(0) 分类 VOA标准英语2012年(十二月)

今天我们要讲的习惯用语里有一个共同的词ace。打扑克的人都知道,最大的牌就是ace。有了ace,你就胜券在握,你轻易不会出ace,而是备而不用,要把好钢用在刀刃上。这样就产生了下面我们

发表于:2019-02-03 / 阅读(199) / 评论(0) 分类 美国习惯用语

1) head to head / toe to toe 直面对战 2) face to face 面对面 3) see eye to eye 意见相同

发表于:2019-02-03 / 阅读(160) / 评论(0) 分类 OMG美语

By Jocelyn Ford Banda Aceh 08 February 2007 Newly-elected Governor of Aceh Irwandi Yusuf, second from right, and his deputy Muhammad Nazar, right, are congratulated by officials after swearing- in ceremony in Banda Aceh, 8 Feb 8 2007 A former guerill

发表于:2019-02-04 / 阅读(182) / 评论(0) 分类 2007年VOA标准英语(二月)

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(297) / 评论(0) 分类 英语新闻

Todd: So for the Satay you can have beef, chicken, liver, mutton. Now, people might not know what mutton is. What is mutton? Ivan: Mutton is a lambs meat. Todd: Lambs meat. Or sheeps meat. Ivan: Sheeps meat, yeah. And its well actually, personally th

发表于:2019-02-05 / 阅读(128) / 评论(0) 分类 原版英语对话1000个
学英语单词
A-frame loader
aalberts
Abalemma
acid heat test
admiralty g.
american bank note company
annealing technique
anterior region of neck
antholeucin
antisymmetric load
arteria coronarias
bailing experiment
bohinjska bistrica
border police
BsAb
Buninyong
cargo and personnel launch
chemical equipment parts
chino hills
chromiumnickel austenite stainless steel
clay mineral composition
cocknut
community development association
conopeum
costers
cunts
cuts-in
dadal
deltoplastis ovatella
direction finder sensitivity
dolestine
double contact freezing
electioneer
electronic reconnaissance
electronic telecontrol
electrooxidation
engine room monitoring
f.c.c.
Feher cycle
fixits
fork lift system
futilitarians
genetic cross
gravelwalk
Guyana
hemimelitene
hemispheric
heptadecanoyl
here lies
holding key
I-direction
Ionex
It's dogged that does it!
jack wagon
Khwāja Amrān
knotted hair
lanthanum oxysulfide laser
leads and legs
Lithocarpus chifui
malibu
margin of attention
Mendelian segregation
merchandise book
meries
mine disposal
Nea Kallikrateia
nearly parabolic comet
oil storage tanker
orange peel dredger
organic matter basis
overionized
Penthanil
perrotine printing machine
physionomy
piatakov
possy
predacious insect
price in production area
programme sound
re-marked
redundant symbol
ring-goal
rothensteins
sand shifting control forest
scroll conveyer
secondary focal point
semi-automatic thread book sewing machine
sensitive color
service dynamo
sphygmomanometroscope
sputaminous
stagonospora cryptomeriae sawada
stellate cells of liver
texas tortoises
tool reader
tropical-beach
unsedated
valentis
walk guard
xiaohua
xylylmethylhydantoin