[医] 氯化钌

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(107) / 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(98) / 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(146) / 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(105) / 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(99) / 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(172) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
abrasive fibre
air-injection
almous
ammonium selicofluoride
arcus pedis transversalis
attention-getter
axioms of probability theory
bass boats
batted ball
Batumi
biannuals
binder holes
blade assembly
Bobaomby, Tanjon'a
bring up the rear
broken-noseds
Cape Verde Islands
carry propagate output
carto-tape
cedarhurst
content scraping
corglycon
cry halves
dancing-girl
demineralized-water preheater
deoxidized annealing
discrete uniformity
double row radial engine
Dudhi
ejector port
electrostatic ring
emissitious
Ergenyl
ERSD
exercise
fibre-glasses
flat-toppeds
foibles
forge a check
foundry stove
fund obligation
gamma motor neuron
gather one's thoughts
geared wheel
grid-controlled ionization gauge
had a try for it
Hambühren
hazlenuts
hypotrachyna exsecta
information management system (ims)
inversion profile
ischnura senegalensis
its time
joint aviation requirements(jar)
joint mouse
Kachchh District
Kentucky State University
Lapworthella
line-drive triple
magnifications
melanoblast
midly arid region
moving core type
munzel
non-ferrous metal semi-round head rivet
nonette
nonhydrolyzed
Omulew, Jezioro
oxhp
penetration of the tool
Plata, Pta.
programme control digital logger
railinged
repush
Resume Game
retaining cap
rising water
rockpiles
rotor wake
rouquie
rubblework
ruinism
run-time property
sarcotrimitic
scombrus tapeinocephalus
security cameras
sex pistols
summer-day
swell-foot
synaesthetic
Synoptic Gospels
third order goal
to blow up
Toepler schlieren apparatus
toron
triangular diagram
UN
understanding
walles
yeave-ho
Yūsufnagar
Zhongsha Islands