水扬酸苯酯

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- English teacher Lida Baker joins us from Los Angeles to talk about phrasal verbs. The first word is a verb. The second word, sometimes even a third, is usually a preposition. Ph

发表于:2018-12-04 / 阅读(191) / 评论(0) 分类 词汇大师(Wordmaster)

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(249) / 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(200) / 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(196) / 评论(0) 分类 初学者听力文摘精选

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- English teacher Lida Baker joins us from Los Angeles to talk about phrasal verbs. RS: The first word is a verb. The second word, sometimes even a third, is usually a preposition

发表于:2018-12-30 / 阅读(218) / 评论(0) 分类 词汇大师(Wordmaster)

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(188) / 评论(0) 分类 英语听力文摘 English Digest

Grammar Girl here. Listen up, everyone! Todays topic is phrasal verbs, as in to listen up. And now, guest-writer Bonnie Trenga writes, a listener, Paulino from Minneapolis, would like to know what phrasal verbs are and why they are called that. Phras

发表于:2019-01-02 / 阅读(254) / 评论(0) 分类 英语语法 Grammar Girl

通常在战争中,我们只看到前线士兵和战斗的故事。在TEDGlobal 2010里,Zainab Salbi 讲述后方振奋人心的女人们的故事, 这些女人在战火中仍努力维持正常的生活。她呼吁在战争结束时,女性也应成

发表于:2019-01-05 / 阅读(464) / 评论(0) 分类 TED公开课:和平使者

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(234) / 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(246) / 评论(0) 分类 Scientific American(十一)月

Down by the salley garden是根据Yeats(叶芝,1865-1939,爱尔兰剧作家、诗人、获1923年诺贝尔文学奖)的同名诗歌《Down By the Salley Garden》谱曲而成,最初翻译为《柳园里》,是叶芝早年的诗作。他的早年诗歌韵律优美,感情细腻,辞藻华丽,象征意味浓郁,明显受到

发表于:2019-01-09 / 阅读(312) / 评论(0) 分类 音乐咖啡厅

A: Tom, are you there? It's Hannah from 4C. B: Hey, Hannah. Long time no hear from. A: My garbage disposal refuses to work. B: What happens when you turn on the switch? A: When I turn on the switch, nothing happens. B: When did you first notice this?

发表于:2019-01-20 / 阅读(205) / 评论(0) 分类 地道英语对话-租房

A: Is anybody home? It's me--Hannah. B: Hey, Hannah. How's everything going? A: My garbage disposal isn't working. B: Can you be a little more specific? A: Nothing happens when I turn on the switch. B: Do you remember how it started? A: about a week

发表于:2019-01-20 / 阅读(197) / 评论(0) 分类 地道英语对话-租房

A: Hello, Tom? This is Hannah in 4C. B: Hi, Hannah. What can I do for you? A: My garbage disposal went south. B: Does it turn at all? A: There is nothing but silence when I turn on the switch. B: Did it die suddenly? A: It started to make a weird sou

发表于:2019-01-20 / 阅读(227) / 评论(0) 分类 地道英语对话-租房

A: Hi, Tom. This is Hannah calling. B: Hi, Hannah. What's up? A: I think my garbage disposal kicked the bucket. B: Is it dying, or is it dead? A: Turning on the switch is the same as not turning on the switch. B: Did it make strange sounds before it

发表于:2019-01-20 / 阅读(206) / 评论(0) 分类 地道英语对话-租房

A: Hi, Tom. This is Hannah from apartment 4C. B: Oh, hi, Hannah. A: There is something wrong with my garbage disposal. B: Exactly what's going on? A: When I turn on the disposal switch, all I get is silence. B: When did this happen? A: Well, about a

发表于:2019-01-20 / 阅读(205) / 评论(0) 分类 地道英语对话-租房

今天我们要学的词是reversal。 Reversal, 是逆转的意思。A reversal of policy, 意思是政策的逆转。A reversal of decision, 意思是改变主意。支持泰国前总理他信的政党在星期天的选举中成为国会第一大党,

发表于:2019-01-26 / 阅读(211) / 评论(0) 分类 英语单词荟萃

Salbi's Women for Women International gives women who've survived war the tools to rebuild their lives Mohamed Elshinnawi | Washington, DC 15 December 2009 Zainab Salbi was named Washingtonian of the Year in 2006 by Washingtonian Magazine In 1993, Za

发表于:2019-02-03 / 阅读(227) / 评论(0) 分类 VOA标准英语2009年(十二月)

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(384) / 评论(0) 分类 英语新闻

听歌学英语:Down by the Salley Gardens藤田美惠 Down by the Salley Gardens 藤田美惠 Down by the Salley Gardens的作曲者是爱尔兰著名诗人、剧作家和神秘主义者William Butler Yeats,这首诗出自Yeats早年的作品,诗句

发表于:2019-02-08 / 阅读(228) / 评论(0) 分类 听歌学英语
学英语单词
age spectrum
ALGOL definition
alien tone
all purpose chopper mill
autographic tensile tester
balance strip
bird-pollinated
bivariate f-distribution
bridled-cup anemometer
buoy moorings
carbon oxidation
cell interconnection
circumnavigate
Clado's band
co-ho
conditional next field
conquer the field
coreferences
difference control chart
direction of polarization
dogsled racing
electric lobe
electric stimulation
elmwood
encoldens
end group analysis
energy-based
ethylamine sulfonic acid
Euler's number
extended binary vectors
extrachromosomal factors
fluorescence histochemical method
Freer-Sackler
fund position of corporation
Glashow-Weinberg-Salam model
gunboys
guttate parapsoriasis
hereditism
hevea seed
homity pies
infraframe coding
injectron
input output medium
iodine absorption number
kinematic waves
kuranko
Lenham beds
level governor
linkage of subroutine
long-term deposits
Lotense
march against
Meteosat
MPS (mathematical programming system)
Muchkas
National Library of Medicine
naviders
nicotine patch
night porters
nivation niche
no initial answerback
palynologically
pareiasaurid
perloffite
phenylhydrazine hydochloride
pilot manufacturing
plasma boiler
platen heater
polarized neutron diffraction technique
prognes
rate of circulating flow
red stone
regular project
result(of inspection)
sand arch
Saverdun
select line
sheter
sight reticule
single unit address
sinistral slip
slushboxes
South Sea Islands
spark pin
Sphaerocollina
SRIH
student teaching
sulphite process
sun crack
t? shou kung wu p'u
tar-pot
telegrafos
third classes
Torenia cordifolia
transverse tooth thickness
Vietraq
virtualisation
vishal
visucentric
warm-air
Weakly Acid Black BR
wrong-way concurrencies