[化] 三氯化金

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(58) / 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(58) / 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(105) / 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(60) / 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(54) / 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(117) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
allergic edema of prepuce
amp-hr
angiological physiology
apparent modulus elasticity
attagen
bake sale
barbine
basic question
bn
bronchospasm
butyl isothiocyanide
calciosolenia brasiliensis
Campanulastrum
can-you-believe-it
carlucci
Chrysostom, Saint John
close-standing props
coincidence sensitivity distribution
compulsory retirement
contouring pattern
cushion ship
defi
discrete event simulation
Donzy
Drenchia
eaglets
eclipse phase
einhorn
englewoods
exothermicity
familial polyposis
filament loom
fire-control instrument
flow rule
fountain-syringe
gene sharing
geometric progession
give permission
glass pox
group discussions
GWPS (gaseous waste processing system)
Hasse invariant of a quadratic form
heavenstone
Hemerocallis plicata
high draft system
histone repression
igarapes
initial turbulence
inyalas
josip
JPRC
kept watch
majchrzak
medical economics
metal resistance thermometer
mizzenmasts
molestie
moras
n-amyl group
Neodielsia
neopaganistic
netherstocks
Nian ware
normal tape
north eastern
operation costs
oratorships
out-blossom
out-merchant
oxy-
oxyacoia
parmelia isidioclada
passive retrodirective element
platysomid
power supply noise
presentation day
principal point triangulation
raman laser diode
Ree Heights
reflector frequency cutoff
rescue coordinator center
reticulaphis asymmetrica
rules for finding
Sariwon
searchlight site
semi-stagnation
smack up
smithied
smoke the pipe of peace
spro
stadlen
statical load
subsoluble
syndiagenesis
T-independent antigen
tee-shirts
thrashing machine
thrust-adjusting gear
trioxoboric acid
unreconstructedly
Upornaya
vesicles