氯化物

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

今天上海新东方陈鹏飞给大家总结托福基础词汇中表示表示关shut的词根clud, clus。其同源词分别是①include包括,包含; ②inclusion 包括,包含;③exclude 排除; ④exclusive排他的,专有的;⑤conclude结束

发表于:2019-02-19 / 阅读(140) / 评论(0) 分类 托福英语

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
a gone coon
abdominal air-sac (or abdominal sac)
affection of portal vein
al musallamiyah (musallamiya)
anagoges
antipiracy
ARF-1
asbestos fibrous pipe lagging
avian myeloblastosis virus
babbit alloy
bath asparaguss
bathyscaphes
beating me
California Condors
capture net
Celtified
chemotoxicity
COLA freeze
Collinson Pen.
compensation techniques
container rehandling list
cut-off port
dbk
die hobbing
drownings
Einstein notation
electric exhaust fan
environmental field actuator
excess carrier
exercise forbearance
field-trips
findory
flat flavo(u)r
frying-pans
fueling rig
gannisters
Gilbert, Mt.
grape-picking
haji ware
have stormy passages with
hay mower
Himdex
hollywoodism
Hololachna
homogeneous sludge
hydrographic service
instinctive behavior
jaali
kang
konimetry
kromscope
liaotung anteklise
line paper
livebearing
magnetic ink character
melomane
mesial triangular fossae
monolithic computer
most advanced branches of science
motion-work
musuli interspinales lumborum
neighbo(u)rhood space
nest relation
newly-authorized fund
non periodic function
non-petroleum fuel
oil water boundary
panorpa lachlani
paraffinum liquidum
Pasternak, Boris
peel-crow
propeller with ring guard
remote composing machine
roll along trace
semirimming steel
shaft arm pin
shellac wheel
Siraitia taiwaniana
sodium alkylbenzenesulphonate
sound carrier detector
squaccos
storage pith
stroan
sucker-punching
sujuk
tetrahedral carbon
therapy of blood constituent
There's not much point in doing something.
thin film
tooth-to-tooth composite error
trade in brisk
transconjunctivally
trunk pulmonary
Tubinaire
twiddles
veto-message
well-worthy
westgrenite (bismuthmicrolite)
willing and able
worksafe
Yzquierdo's bacillus
zero point stability