[化] 乙酸三溴苯酯

The Weekend - Road Trip A: So, are we all ready to go? B: Yup, I think so. The cars packed; we have munchies and music, and the maps in the car. A: Did you get the camera? B: Got it! Did you fill up the tank? A: Yup, its all set. B: Youre sure were n

发表于:2018-12-02 / 阅读(115) / 评论(0) 分类 纯正地道美语

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:2018-12-04 / 阅读(168) / 评论(0) 分类 冀教版高中英语必修二

Mr. President, Mr. Speaker, Members of the Congress of the United States: The gravity of the situation which confronts the world today necessitates my appearance before a joint session of the Congress. The foreign policy and the national security of

发表于:2018-12-04 / 阅读(346) / 评论(0) 分类 名人演讲

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(158) / 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(67) / 评论(0) 分类 初学者听力文摘精选

新编英语教程第五册unit07_2_mouse_cloning_begins_bio-industri

发表于:2018-12-29 / 阅读(65) / 评论(0) 分类 新编大学英语阅读部分

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(63) / 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

β-Amyrin β-香树脂醇 α-Amyrin acetate α-香树脂醇乙酸乙酯 β-Amyrin acetate β-香树脂醇乙酸乙酯 β-Amyrin palmitate 棕榈酰β-香树酯 Anabasine 毒藜碱 Anagyrine 臭豆碱,安

发表于:2019-01-03 / 阅读(103) / 评论(0) 分类 医务英语

You're ready, I'm ready, you'll be my everything 你准备好了我也是你会是我的一切 I wanna give it to you 我想为你倾其所有 So steady, so heavy, now this is everything 我们的爱情稳固又热烈这就是一切 Without you, I do

发表于:2019-01-03 / 阅读(71) / 评论(0) 分类 听歌学英语

By Al Pessin Pentagon 19 November 2007 The U.S. Defense Department says a series of ideas for a new effort to try to get Pakistani tribal leaders to cooperate in the fight against terrorists is just a staff document and is far from any senior level c

发表于:2019-01-04 / 阅读(101) / 评论(0) 分类 VOA常速英语2007年(十一月)

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(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

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

New Yorkers Take Transit Woes in Stride NEW YORK Life regained some semblance of normalcy on Thursday for New Yorkers affected by superstorm Sandy, as public transportation started to come online and millions of people returned to work. But for those

发表于:2019-01-31 / 阅读(112) / 评论(0) 分类 英语新闻

VIENNA, July 6 (Xinhua) -- The Austrian Olympic Committee (OOC) has nominated 69 athletes to take part in the 2012 London Summer Olympic Games, the APA reported on Friday. This will make it the smallest team since the 1976 Montreal Games where 64 Aus

发表于:2019-02-02 / 阅读(143) / 评论(0) 分类 英语新闻

VIENNA, May 9 (Xinhua) -- The Austrian Olympic Committee (OeOC) nominated a further 13 athletes for its 2012 London Olympic Games team on Wednesday, bringing the total to 37 athletes across 12 sporting disciplines. OeOC President Karl Stoss said he p

发表于:2019-02-02 / 阅读(168) / 评论(0) 分类 英语新闻

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
学英语单词
adenylosuccnic acid
alloderm
ambiguities
AMP(amplifier)
anaflow
angle date transmission
apex-cardiogram
Arkema
Auzits
beckelite
Big Clifty
block rack
builth
Calci-Ostalin
cancelling war risks
clay-lined
clearance of spinal tuberculous focus
close delta
commodity polymer
convalescence
conversion loan
cost of civil engineering works
crotonylene
dejian
Delphinium omeiense
disconsidered
East Coast of South Africa
emplastic bougie
endodermal
extreme prssure lubricant tester
faller wire
family Branchiostegidae
fortenberry
foward
frequency speed control
functional composite
Galium xinjiangense
gas crossover
genus Thlaspi
gland of meibonnian
golaszewski
grammaticians
haliborange
hatboxes
heading-area coating
high speed regulator
hold down grid
HPRD
in recent memory
ingather
inogenous
inspection session
Karoo National Park
kealeys
key-display card
liparis reckoniana
lubricating oil gun
marco-crystalline
microirregularity
mud replacement by blasting
nodal analysis
noise-air-pollution
nomefensine
nominal yield stress
nonbinomial
normal barrage
northern pin oaks
nublets
origins
over-delicate
Pampow
picturable
pilew
prepasted
present progressive
prompt gamma-ray analysis
rachford
ratio of pit-depth to pit-diameter
reasonable fish stocking in reservoir
recover one's footing
Rollet
rudus
sanitation measures
second circuit
single wire helix
snotnosed
space operas
stick-held dip net fishery
store and forward network
subslot
syllabaris spasmodica
take a glimpse at
tecums
tesselite (apophyllite)
the devil finds work for idle hands
theory-oriented
thop
U.S.L.T.A.
unitarianized
Usol'ye-Sibirskoye
vilsons
WNIC