[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(219) / 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(221) / 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(271) / 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(210) / 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(196) / 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(346) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
Acurenam
aggregation over time period
aminomycetin
antipoisoning
appelmans
associatively
ausdifferenzierung
be swimming in
below cost
Bil-analyzer
bismuth arsenate
bowgun
brush-by
bulk-shipping
butadiene rubbers
canales caroticus
Castle Peak
concern in
concordant injection
concrete footing
conservation of marine resources
cope with
cuprol
Cypripedium smithii
declination note
delustering fibre
deprotection
dermatomic area
diffused-emitter-and-base transi-stor
elasto viscous system
emission of radiation
erection clip
excitation capacity
factor of eccentricity
fatheadedly
Finlayson
flat flame burner
focusing microscope
for all the world as if
fractional distilling flask
frowstier
gas register
gatel
generalized cylindrical coordinate
grain fed cattle
hard wheats
Hayes, Rutherford Birchard
heartmate
helical condenser
hylea
initial resistance of filter
insofar as
interactive logon
interruption rate
lasianthus appressihirtus appressihirtus
layer management entity
Lhermitte-McAlpine syndrome
longitudinal parity
machine posting
macrocheilia
men (multiple endocrine neoplasia)
methyl dioxolane
monotransrepressors
motor for boat
Motoyoshi
mouchard
multiple rivet
Nobby Stiles
ordesa
output distribution function
pannelled photography
parallel tubing string installation
physiographic formation
politicall
prisoners of war
processus falciformis (lig. sacrotuberosi)
quasiparallel
raffet
rapturists
scalenotomy
scear
sexual impulse
sieze
signal leading edge
soliton wave equation
sorting belt conveyer
sound-recording apparatus
speciousnesses
stoke's theorem
suicidal ideation
Terrano
theory of functions of several complex variables
toughen
traffic counter
tuberculosis of stomach
Unacaine
unbung
undocked
unevacuable
upflowing
word-forms
you can't fight city hall