二氯化碘代苯

40.Development and the Environment With the development of industry,people are faced with the problem of a worsening environment.Fish are disappearing in many rivers and lots of green land is changing into desert. What are the causes of this?Firstly,

发表于:2018-11-28 / 阅读(172) / 评论(0) 分类 疯狂英语易背作文

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(104) / 评论(0) 分类 VOA标准英语2014年(六月)

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(123) / 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(99) / 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

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到好的听力原文,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:2018-12-30 / 阅读(107) / 评论(0) 分类 有声畅销书-秘密

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(62) / 评论(0) 分类 英语听力文摘 English Digest

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(107) / 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(108) / 评论(0) 分类 Scientific American(十一)月

歌曲 : Unhealty Love 艺人 : Atozzio 音乐星级 : ★★★★ 所属专辑 : Hitwriter 发行年代 : 2009 风格 : RB 相关介绍: 关于Atozzio的介绍,在网络上很少,无从搜寻,他的RB很柔,属于那种柔情的RB风格,这首Unhealty Love同样也是一首柔情RB,听听看吧。 歌词

发表于:2019-01-11 / 阅读(87) / 评论(0) 分类 节奏布鲁斯

DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher

发表于:2019-01-17 / 阅读(94) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main

发表于:2019-01-20 / 阅读(143) / 评论(0) 分类 2016年Scientific American(一)月

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(103) / 评论(0) 分类 自然百科2009年

Tony: Who did you invite over for dinner Saturday? Carmela: I invited Keith, Sung, Stephanie, and Luis. Tony: You didnt! Carmela: I did. Why? Tony: Youre going to have a hard time cooking for them. Keith is a vegan and only eats food thats organic. S

发表于:2019-02-04 / 阅读(94) / 评论(0) 分类 地道美语播客

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(228) / 评论(0) 分类 英语新闻

Ganso could be out until 2013, says physio RIO DE JANEIRO, Sept. 28 (Xinhua) -- Brazil midfielder Paulo Henrique Ganso could be forced to wait until next year to make his debut for new club Sao Paulo. Ganso, who joined the Brazilian top division outf

发表于:2019-02-06 / 阅读(151) / 评论(0) 分类 英语新闻

PORTO ALEGRE, Dec. 19 (Xinhua) -- Dida, the former Brazilian national goalkeeper, has signed with Gremio for the 2013 season. The 39-year-old had been at Paulista club Portuguesa and it was thought the stopper would hang up his gloves at the end of t

发表于:2019-02-07 / 阅读(120) / 评论(0) 分类 英语新闻

音乐咖啡厅:Atozzio - Without You 相关介绍 :美国佛罗里达州人,从小在母亲的支持下,5岁开始唱歌,14岁就开始写歌;初中高中时期,积极参加合唱团,和不断的写歌作词等。在写歌作词的音乐

发表于:2019-02-07 / 阅读(136) / 评论(0) 分类 音乐咖啡厅

De Canio sacked by Genoa ROME, Oct. 22 (Xinhua) -- Gigi De Canio has been sacked by Genoa after the Rossoblu squandered a two-goal lead in their 4-2 loss against Roma. Genoa were 2-0 ahead in the first 15 minutes on Sunday night, then desparately saw

发表于:2019-02-11 / 阅读(111) / 评论(0) 分类 英语新闻

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(169) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
adjustable balancing weights vibrator
aggregate demand management
angular distortion
attitude-study
auxiliary current transformer
bardisms
Bicknacre
Black's formula
bloomekatz
body case
bononian stone (barite)
broadus
cheilymenia striata
civil wrong behavior
corn-markets
cross reference generator
deadi
delaying
demolds
deru-
desicchlora
dethyroidism
dictograph
dofemic
drogheda (droichead atha)
emissary foramen
error constants
error on the side of safety
etymide
extrapolatable
extrusion force
Fenobarbital
ferrikinetics
fibrillar orientation
full-formed vessel
galvanized stranded wire
GMR (graphite-moderated reactor)
gross output value
havelange
heat of cooling
horizontal direction counter
immigratory
internal interest
inverse hyperbolic functions
Jordan's tartrate agar
karpfs
Kerken
Lesser Antilleans
light-section method
Lord Speaker
Marvell
Mavranaioi
Mayapple
mazharuddin
merchantile
model predication
multitype wheel
noforsooth
noload
Oberendingen
on-line typesetting system
orientation correction
oversteps
Parachordodes
path switch
patricks
payess
peppercress
phenodeviant trait
pius iis
play outside
positive plate cam
pseudoplacental viviparity
pupillae sphincter
pusher-click banking stop
R and R
read sb like a book
readjudication
remote console
rhinolophus monoceros
rhr service water pump
right-handers
sandos
second-order stress
selective fermentation
sex deviation
signal-intelligence
skowhegan
snow-blindnes
solution strainer
spiral tube evaporator
stydy
sub-projects
thermionic effect
three-to
total finger ridge count
track and hold amplifier
transformation rate
vaccinates
wall-rock
write current
zeayde