氯化碲(II) {二氯化碲}

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
absolute monopoly
alpha-hydrorubber
antineutropenics
bellidifolium
big times
Blountsville
brassieres
british isless
brochanthite
calorifier
charge-holder
communications language
complete linear complex
confederate armies
countertransferences
DC selection
de index
defect of form
dividing-head
dynamometer exciting mechanism
easy on the eye s
endoscopists
energy dissipating rate
ex-tinction index
family siluridaes
females-to-male
gate chamber
glusulase
Haemophilus influenzae type b
Hand me up
handymax vessel
hard implicit function theorem
hiflash
high vacuum film plating table
high-order end
high-permittivity
hind legs
honest material
Håhellerhytta
impeller finger
inuksuks
Jagua, R.
keep sb company
last-subscriber release
limiting mach line
litigant right
maximum inhalation quantity
mess with you
Minamimaki
Monograptus
Mrozów
Natodine
nemophora sakaii
nylon sleeve
ogis
oil property tax
ontology
parapercis macrophthalma
Paschal celery
phrenolepsia
Piperi, Nisis
portfolio valuation
portitor
post-fine
preschoolers
PROM module
q.v.
racial spoils
rain rubber footwear
rijeka (fiume)
roll over board
rotosifter
Rubriment
runner decompression plate
same scale
sanker
Serret-Frenet formulas
specification technique
spondias lutea
starting torque-frequency characteristic
stereograft polymer
sterilization filter
stew in one's own juices
stoter
strontiums
Sulawesi Tenggara, Propinsi
SWL
tacit acceptance
teacher-directeds
telephone interference
turfed out
twellman
two-line compressor
ultimate regenerative cycle of saturated steam
unguaranteeable
unsuitabilities
vanderburg
venae labiales posteriores
visemic
walking pace
warranty of attorney
wreck shop