[化] 氯高铅酸盐

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(186) / 评论(0) 分类 VOA标准英语2014年(六月)

By Lisa Bryant Paris 31 October 2007 A Spanish court found 21 people guilty and acquitted seven others of involvement in 2004 train bombings in Madrid, closing a trial on the most deadly Islamist terrorist attack to date in Europe. Lisa Bryant has mo

发表于:2019-01-04 / 阅读(152) / 评论(0) 分类 2007年VOA常速英语(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(184) / 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(239) / 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(178) / 评论(0) 分类 自然百科2009年

By Margaret Besheer Irbil 04 December 2006 Former Secretary of State James Baker, co-chairman of Iraq Study Group, walks past with Vice President Dick Cheney, after meeting with President Bush, 13 Nov 2006 For weeks, the American media has been buzz

发表于:2019-01-31 / 阅读(248) / 评论(0) 分类 2006年VOA标准英语(十二月)

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(164) / 评论(0) 分类 地道美语播客

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(292) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
3'-triiodothyronine
academic conference
adenosine monophosphate (AMP)
adhesive bitumen primer
adiabatic couplers
african-american musics
almond-furnaces
antiaircraft machinegun
arc extinguishing
bottom tool slide
branchwood collecting machine
canbonado
Cazalegas, Embalse de
chatter of contacts
chest bump
close contact between switch point and stock rail
cock-shy
color range of indicator
color sublimation
core edge zone
counter-inflationary
crowd trade area
desuperheats
disbalances
dissociative fugue
dithiodilactic acid
dodder mill
doges
double-breasting
dry-as-dust
erasable holographic memory
erronecus binary digit
Eutriatoma
eye-glass
fixed tooth plate
front wheel tread
gear measuring machine
glass structure model
H-post
hardware in loop fuze simulation
hemiboea henryi clarke
heterogeny
hortonolite
hvar
hygrostatics
Jaemin
karon
knuckle thrust bearing
laffans
lunar tide
macro-shrinkage
manual extraction of radar information
masticatory diplegia
mechanocardiography
metastates
microchromatography
multipurpose cartridge
musical directors
necrotroph
new world orioles
notch of pancreas
on top of sth
oral discussions
oregon jade
oriented crystallization
pallais
palm down
pedophobes
pitch-speeched
prelunch
preservation of pure state
put sb to the torture
Qahāb
Qal'eh-ye Bost
qaragholi
rami
rated voltage range
received passband
Reineckia
relay protection
Rhianwen
ru-shu-pi
slaughter-house
software flow pattern
spatial periodic inversion saturation
spin-orbit transition
square head bolt
synchronous machine transient analysis
Sysoyeva, Mys
tailgate ramp
technological esthetics
theophany
thin-film optical multiplexer
transport level/layer security
ultrasonic brazing
uncinula zelkowae p.henn.
under-qualify
underwater viscosity
urophasianuss
ventilation survey
warm sctting adhesive
waveform quantization