氯化钽(II) {二氯化钽}

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(62) / 评论(0) 分类 VOA标准英语2014年(六月)

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(61) / 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(109) / 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(67) / 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(58) / 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(120) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
-dar
Agents Act
apparent edema
aqua vitaes
automatic black balance control
azors
bat around
Big Eye
Bisiac
blue bice
Callistan
Caroline Ra.
catch per cruise
cheese making
comprehensibility
concrete unit
creeping water bug
crosman
deck-houses
detection of signal in noise
diamide poisoning
disaster shut-down
distance cathode
djibrine
erbium-doped
fall from the plant
fibrinopeptide
flacourtia indica (burm.f) merr.
flagentyl
flaweds
flexible mechanism
Floppy connector
fresh fine
fruit cracking
fuel filter shell
fulmining
gabri
genus Punica
glandulae intercarotica
greenmantle
half-tide basin
hard chromium (electro)plating
headcanons
Helmboltz's theory
huizer
Ianhedgea
in reverse counting
incompressible string
isoamylene extraction process
Laestrygonian
lifted bed
Ligulariopsis
low-pressure tire
macine made nail
macrothele taiwanensis
mantainance
mesotympanic
midwests
myristica ceylanica cagayanensis
neutral salt
Nickname.
nocturne
Nonox
nuclear summers
Omvriaki
osmosis pressure
output slit
paddle impeller
Part. vic.
peraction
pewit gulls
pimaradienic
point-devise
polyester coating wire
potassicsadanagaite
prooxidants
prunus serrulata var.pubescens wils.
quats
qunsuliya (al qunsuliyah)
radioisotope release
ratio of coarse to fine aggregate
Rubus lasiotrichos
Sadofaro
safety bulb pipette
seesaw
semiconductor laser demodulator
shatter proof glass
single-circuit transformer
St-Amans
stomatologia
sumerias
terebine
terminal amino group
terryl
tertiary product
the Alps
tooth generating
tregetour
vacuum tube checker
Wassadou
weyrleaders
witchings