对氯苯磺酰氯

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
abrided multiplication
accommodation ladder davit
adjustment column
African eyeworm
air dried timber
Akazaki
anther dehiscence
antiparallel cranks
arteria stylomastoidea
assan
azaroles
blowin' up
butterfly curve model
center spreads
central altitude reservation facility
certified signature
Chalcostigma
cinemact
co-operativeness
compulsory joinder
creeping crowfeet
crystallographic notation
daylight markings
deaccelerate
destruction
deutschland (germany)
dispersed-growth aeration
divergent instability
echinococci
eleostearin
ex aequo et bono
family Strigidae
Federal Home Loan Bank Act
floating palettes
forthbringing
fvc
genus Cladrastis
Howell-Bunger valve
Impatiens nobilis
impulsive burst
in the manner born
indeliable ink
indicated deposit
industrial residu
junk ring
Lao, Fiume
leave a door open
level in the dust
liberite
Lipfen
low power physical test
low-fat meal
low-frequency regulation
lungers
magnetoelastic rolling force measuring instrument
Malcam
mamillitis
Martinize
mati
matrisate
mengeles
nasal tubes
nested statement structure
Nyamozero, Ozero
oologah
operator request control panel
patern
phase lag control
photonuclear reactions
pit head
platinum iridio
primary transformer
public debate
recessive gene disease
regenerative detector
regional brand
resistance thermometer adapter
rising of arch
rotor advance ratio
Saint Baeda
schonlein-henoch(disease)
Scotforth
sdeces
second-hand smoke
shoot out of
single-cycle
speck dyeing
sports stadiums
spray-oxidizing process
stitched wire joint
symphyogyna tosana steph.
tallow compound
terminal addition
theoretical parallax
thrust-bearing collar
unidentified-actor
vaginoplasties
variable delay pulse generator
wind sail
Wollaston prism interferometer
working approach angle
wu ching