[化] 三氯化六氨钴

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(60) / 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(59) / 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(107) / 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(64) / 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(55) / 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(119) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
age grade placement
ammoniated fertilizer
art-like
automatic spray apparatus
axe-hammer
azygobranchiate
Bacillus alcaligenes septicemia
Bailleau
ballast pocket
beld
besmuts
Bryncroes
bull crack
c.s.c
calciobaryt(calcareobarite)
cap board
cellular approximation
china agricultural university
coal fired
cobalt dichloride
COD (cash on delivery)
cold-dark-matter
collada
collateral series
colorforms
complement of a number
cotton stopper
cyano
D.C. dump
deflection routing
drill pipe elevator
dysphonics
electric high speed locomotive
electrocapacitive
eyewinker
Firē Hiywet
floor mixer
follow'd
four-terminal equation
fuel blowback
gear distress
herb peter
homogenizing section
Hook Ridge
international norm
jigger-mast
kerle
kewl beans
Kobostovo
lathings
lay the smack down
lined antshrike
Lopokino
low temperature melt
manetite
martys
massacre of the innocents, Massacre of the Innocents
matrix array sensor
meridional exchange
molasses boat
movement elicitation
nose end in front of cab
Order Driven
overflow structure
overload shearing clutch
pancreas congenital anomalies
pancreatic salt
periodic acid-Schiff's reaction
permanent embossed finish
Polevogo, Mys
potassium mercuric iodide
Prosopium cylindraceum
PSTP
R-UNIT
radecki
reservoir for lubricant
royne
run to the end of one's rope
Salix pseudopermollis
saturated Carnot vapor cycle
shuken
speed ball
spruiker
sterigmatocystis niger van tiegham
surprise a witness into telling the truth
taper square shank
tear-ducts
tent poling
time-stamped
trivelpiece
tumble probe
uk -rimmed
unroughened
upper limit on the left
Valles Marineris
very coarse fodder
vfas
Virgin's-Bower
vyvyans
WDALYIC
Weenen
yanukovych