[化] 氯化亚镓

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(219) / 评论(0) 分类 VOA标准英语2014年(六月)

SHIRLEY GRIFFITH: Welcome to THIS IS AMERICA in VOA Special English. Im Shirley Griffith. STEVE EMBER: And Im Steve Ember. This week on our program, we tell about a musical play that is fifty years old this month. SHIRLEY GRIFFITH: The Fantasticks fi

发表于:2018-12-16 / 阅读(179) / 评论(0) 分类 2010年VOA慢速英语(五)月

With a loan from a relative and a recipe he found in the basement at the local public library, Ernest Gallo founded what would become, at one point, the world's largest winery. The legendary wine maker died Tuesday at his home in Modesto, California

发表于:2018-12-19 / 阅读(287) / 评论(0) 分类 2007年NPR美国国家公共电台

By David McAlary Washington 26 October 2006 The international medical community is raising a chorus of protest against a Libyan trial of six Bulgarian and Palestinian health workers. The six are accused of deliberately infecting hundreds of Libyan c

发表于:2019-01-12 / 阅读(218) / 评论(0) 分类 2006年VOA标准英语(十月)

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(223) / 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(276) / 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(213) / 评论(0) 分类 自然百科2009年

Science and Technolgy 科技 The history of AIDS 艾滋病的历史 Heroes and villains 英雄与狗熊 The story of AIDS involves many larger-than-life characters, good and bad 艾滋病的故事造就了众多的传奇人物,也展示了人性的善

发表于:2019-01-26 / 阅读(197) / 评论(0) 分类 经济学人科技系列

Science and technology 科学技术 The history of AIDS 艾滋病的历史 Heroes and villains 英雄与狗熊 The story of AIDS involves many larger-than-life characters, good and bad 艾滋病的故事涉及一些富有英雄色彩的人物,有好,

发表于:2019-01-31 / 阅读(239) / 评论(0) 分类 经济学人科技系列

By Zulima Palacio Washington 08 May 2008 Although the government and researchers halted most clinical trials for an AIDS vaccine, a research institute in Baltimore continues its work on the most deadly virus of our times. Vaccine trials were stopped

发表于:2019-02-04 / 阅读(252) / 评论(0) 分类 VOA标准英语2008年(五月)

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(197) / 评论(0) 分类 地道美语播客

西班牙渴望成为阿尔及利亚最大的投资者 ALGIERS, June 18 (Xinhua) -- Visiting Spanish Foreign Minister Jose Manuel Garcia-Margallo said Tuesday here that Spain is to become the largest investor of Algeria. Garcia-Margallo told a press

发表于:2019-02-07 / 阅读(266) / 评论(0) 分类 英语新闻

Voice 1 Hello, Im Marina Santee. Voice 2 And Im Ruby Jones. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 It was the year 175

发表于:2019-02-21 / 阅读(209) / 评论(0) 分类 环球英语 Spotlight

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(348) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
'scused
2-carbethoxycyclo-pentanone
accident proneness
activation parameter
addons
agito
antilocapra americana sonoriensis
applied space science
atosiban
aurian
autotoxicity
balberith
benzoic acid hydrozide
bioplasma
by a hair's breadth
calculating on
clipps
coleosporium campanumeae
coming true
convocating
credits
develop(e)ment
ekklesiae
elasmus zehntneri
elephantiasis anaesthetica
even generation
faint action
fibrosis proliferative
flat limb
free vortex flow
gonosetae
Hagen, Mt.
hambrecht
Hoskinston
hurley-hacket
impregnated concrete
incomplete consolidation
injected water volume in pore volume
invariant estimate
kanzuiol
kernel rot
knightlinesses
knobless
knub
Kopp's rule
land station charges
leelo
listening watches
logotypic
megalithic
message group
mhras
miss ... foot
mollitude
mucosa-associateds
municipalises
neiges
nikkeijins
nonseparated rail fastening
O. Norm. Fr.
oil filling pipe
Pancreaticoileostomy
peachleaf willows
Pelagonisou, Diavlos
perfect predictor
pericrocotus ethologus ethologus
picture centre
plot harvester
polerepresentation
poly styrene
positron annihilation radiation
potasium fertilizer
protective reaction of fatigue
queen-sized
recording director
ribbon fiber
satellite heat pipe
scorchy
single contact key
sloes
sm steel
snarling iron
somatochirality
spar miller
staydown
step up something
subopercula
terata
total joint replacement
towing posts
trowers
true slime molds
tuned reflectometer
typed
undernutrition
vanilla custard
Vatt.
vellum cloth
Virtual Network Software
will-pit
written communications
zeal for work