[冶] 氯化物电解

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(155) / 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(152) / 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(208) / 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(145) / 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(139) / 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(241) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
a living document
abettor
across-the-board rule
adverbializing
aethrioscope
air-to-air missiles
an endangered species
animates
anti-creasing finish
axe stone
balance of payments
barrel printer
beam approach
Boaco, Dep.de
Bosanques law
brighton system
Cangzhou
care killed a cat
conical beam
contact panel
continuous casting
crossbelts
customer database
damage to machinery
dipped joint
Driselase
ebullated bed reactor
extradimensional
feldspathide (feldspathoid)
fixed tread type
Fort Gardel
gas steel pipe
get the pink slip
gin berry
glue off
gram atoms
granmas
gravitational method
guide lip
heat rashes
heterosynaptic
Higher bid
hygrostat
hyperinstantons
industrial and commercial surtax
instrument repair
international development associations
lesene
Little Rhody
maple cream
Martynovo
MDR (memory data register)
mendax
minimax estimation
moppet
natural-gas liquid
nemoura formosana
nonresolvable
oleosity
over-shot buffer
passivated surface
percent husked rice in paddy returns to sheller
Periyakulam
photoerythema
Phyllosticta
polycrystallite
Polygonatum kingianum
preganglionic
priming oil
procyclidene hydrochloride
pseudocoelomate
pycnogenoltm
red tapes
rob
rope joint
Schistopody
sehem
sensitive color plate
shifting plank
SMSA
sodium vapour
spermaster
square-shouldered
stalk extractor
taxidermists
telarche
tender of issue
tetranortriterpenoids
the shakers
thermoelectric crystal
Thourotte
total costing
trade-off relation
transfer of portfolio
triangular bone of tarsus
trigonal class
Twp.
Union Vale
valeriana amurensis p.smirn.
valve (hydraulic)
wind water-lifting set
wpn