[医] 氯化丁二酰胆硷, 氯化琥珀酰胆硷

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
Abelian groupoid
acid dye
air-coupled Rayleigh wave
aircraft navigation
airscrew blade
appelfeld
applied functional analysis
argecor
arithmetic routine
Arthromitaceae
Athapascan
atomic target
automatic air traffic control
average variability
Bockenem
Bowron L.
bridge measurements of dielectric properties
brokovich
came of
Cape Lookout National Seashore
Chilwa, Mt.
Churelkhera
compressedly
copulatory path
Counsel to the Crown
coupleress
deep meniscus
district school administration
effusion cooling
electric tablet block system
emission-line corona
false malaria
fast-operate relay
fibre break
fluid flow pump
generalized
genus acalyphas
gladhanding
goffen
half-burieds
hardbooting
hartinis
hayss
high density thickener
homogeneous Markov process
hung-wu
improved material
international disaster relief
isotope fractionation factor
jennas
kreiss
left additive fractions
lick one's boots
longitudinal bands of colon
make believe that the moon is made of green cheese
mancude-ring system
marine coatings
memorizing
minimal path set of system
mugfuls
necessary protection ratio
neutral rope
olympique
orthoprinter
Oud-Loosdrecht
pack a box
permeation fluid mechanics through porous media
playshop
pleiotropically
point by point
polarographically
puroconductivity
rami zygomatici
recuperate
repopulations
rub in
Safdie, Moshe
Sapium sebiferum
satisfactory control
scanoscop
SEAL team
secondary nonlinear effect
seniorship
sophorae flavescentis radix
spatial parity conservation law
split winding goniometer
stavy
supplementary reserve
Taimyr Peninsula
telegraph channel
tenuinucellatae
timebox
transformational leaders
tunnel drivage
two-level formula
unsavoriness
unshucked
vanai
vaporizing process
waterjet vessel
weatherup
whiptail lizard