氯化对硝重氮苯

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(119) / 评论(0) 分类 VOA标准英语2014年(六月)

I've seen her face before, I've seen those eyes from long ago, They're reaching inside my soul I wish she could see my heart beating for her. What if I were to let you know, Would it be too much? But I can't wait to find if I'm invisible. (I'm)Asking

发表于:2018-12-16 / 阅读(96) / 评论(0) 分类 节奏布鲁斯

Authors Talk Politics: Junot Diaz On Election 2016 play pause stop mute unmute max volume 00:0006:11repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. SCOTT

发表于:2018-12-18 / 阅读(93) / 评论(0) 分类 2016年NPR美国国家公共电台10月

磺胺类 柳氮磺胺吡啶 Sulfasalazine SASP, 水杨酰偶氮磺胺吡啶, Rorasul Salicylazosulfapyridine 复方新诺明 SMZ+TMP SMZ Co, Cotrim 磺胺嘧啶 Sulfadiazine 大安净, 地亚净, 磺胺

发表于:2019-01-03 / 阅读(76) / 评论(0) 分类 医务英语

分集介绍:导数,商数,正弦和余弦 Derivatives.of.products.quotients.sine.cosine

发表于:2019-01-05 / 阅读(342) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

分集介绍:导数,斜率,速度与变化率 Derivatives.slope.velocity.rate.of.change

发表于:2019-01-05 / 阅读(341) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr

发表于:2019-01-08 / 阅读(130) / 评论(0) 分类 Scientific American(八)月

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Silly Sausage是Nitrome于2011年5月28日发行的一款益智类游戏,它是以香肠在尽量不碰到其它损失生命物体的情况下吃光所有的钻石再到达终点为标

发表于:2019-01-08 / 阅读(190) / 评论(0) 分类 英语对接游戏

RACHEL MARTIN, HOST: The writer Junot Diaz wanted to publish a children's book for more than 20 years. In the meantime, he stayed busy. He wrote several grown-up books, including The Brief Wondrous Life Of Oscar Wao, which won a Pulitzer Prize. He al

发表于:2019-01-16 / 阅读(85) / 评论(0) 分类 2018年NPR美国国家公共电台3月

Nina Diaz Is On The Other Side play pause stop mute unmute max volume 00:0007:16repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. (SOUNDBITE OF SONG, QUEEN

发表于:2019-01-16 / 阅读(134) / 评论(0) 分类 2016年NPR美国国家公共电台11月

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(104) / 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(153) / 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(111) / 评论(0) 分类 自然百科2009年

56 自然原因导致夏季食物中毒比率偏高 DATE=6-12-01 TITLE=AGRICULTURE REPORT - Food Poisoning in Summer BYLINE=George Grow (Start at 59

发表于:2019-01-30 / 阅读(101) / 评论(0) 分类 科技之光

HEALTH REPORT - New Heart Drug Shows Promise in African Americans By Cynthia Kirk Broadcast: Wednesday, November 17, 2004 This is Bob Doughty with the VOA Special English Health Report. Heart failure

发表于:2019-01-30 / 阅读(126) / 评论(0) 分类 健康与经济

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(106) / 评论(0) 分类 地道美语播客

Indoor air pollution is a common threat to human health, the new study looked at five common house plants and found that when it comes to removing harmful chemicals from the air, those five plants are better than others. 室内空气污染对人类健康

发表于:2019-02-07 / 阅读(132) / 评论(0) 分类 阅读空间

Today we go on a journey. It starts in Sweden over 100 years ago; and then moves to London; and finally moves to future worlds and other planets. But we start in Sweden. Alfred Nobel spent his life finding ways to blow things up. He was born in 1833

发表于:2019-02-19 / 阅读(104) / 评论(0) 分类 听播客学英语

本期内容: A humble houseplant with a dash of rabbit DNA could help lower our exposure to indoor air pollution, new research suggests. Scientists have revealed that by inserting a rabbit gene into devils ivy the plant is able to clean the surrou

发表于:2019-02-20 / 阅读(101) / 评论(0) 分类 夏说英语新闻晨读

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(184) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
abscission period
air taxis
airscrew turbine system
alluvial plain
animal performer
Application Link Enabling
Bacillus iliacus
back-of-board wiring
backward feeding
barrow-down
beam blanking circuit
Better poor with honour than rich with shame.
bibionids
Boeing727
boron reactivity worth
butyric ether
Charles Augustin de Coulomb
chelinga
convergent sequences
davenport
delayed disclosure
deliberative vote
Derrick City
design type calculation of beat exchanger
diamond bracket
dibozane
dipyridamol
diserio
disparent
Dorog
down cast and up-take ventilator
drip-mo(u)lding
economic class
effective porosity
embolic nephritis
enchased
enclasped
exonucleolytic editing
fiddle away
flirtini
florizine
frontal lobotomies
graffitist
gruent mapping
halophile
hep B
hodu
hominize
horse drawn expanding harrow
hot-wire thermal conductivity detector
illatively
importancies
in nominal terms
inhive
injected charge
inter-related sets
keing salmon
Kesovogorskiy Rayon
limaria perfragilis
lime-harmotome
limit point
line scores
lock device
machoness
mariellas
masly
medium-burned refractory ware
Opfenbach
oral intake
oscillation damper
oxygen bomb
pithy stalk
precise measurements
profusive
psedofixation
reciprocal dispersion
recycling continuous
reichensachsen
repetition rate generator
reversing rotation
ricciocarpus natans(l.)corda
right-hook
sausage with alternative
selective hydrogenation process
side ring of rim
slip-ring induction motor
special industrial building
stabilization process
staircase distribution
straighten it out
supersound projector
three-level switch
top edged
uk -waisted
unairworthy
unpuckered
upfurling
ureterotrigonosigmoidostomy
vanne
vertical experimental hole
Yulania amoena