氯化铼(V) {五氯化铼}

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(83) / 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(78) / 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(131) / 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(90) / 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(82) / 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(146) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
acreage planted
acrylonitrile-butadiene-styrene rubber
air line lubricants
Aleichem, Sholom
all-americas
alternating-current computer
AR-DF26
aryepiglottic part
Bainigaon
Belvedere Airport
bisection
blade drive mechanism
breach of good faith
buntons
cash disburse
catchplate
centesimated
checkerbloom
ChSl.
clathrin lattice
clorida denticauda
collapse plasma
convulsion of newborn
Coq. in s. a.
crow over
cunthead
customer made
deCarta
dehydroscoulerine
Dietfurt an der Altmühl
diffused junction transistor
disdiaclasts
don't sweat the small stuff
draw box
drill line
duwe
embossed decoration
epsilon staphylolysin
equilibrium catalyst
explosion-proof electric actuator
FLT
flyless
funipuncture
gay bashing
height of boom foot pin
hendergast
ichthamol
image sensor
instant milk
Iyeongdong
Kamieskroon
lactescence, lactescency
lamp voltage
lie at the catch
lime-mud
lurexes
magisteriality
manillio
Martapura
minimum signal method
mohrs circle
monopole antenna
monostable flip-flop
movable random access memory
non-elongated cheiloplasty
non-participating preference share
Ollon
overpoliticization
partial-path coefficient
payments system
Pigari
pino
pipe laying system
pitch of drills
Potentilla inclinata
progressive hydrolysis
psychohydraulic
purpura factitia
Quo Vadis
rafer
rainfall excess
reactor-ready
renewable skid
right-angled corner
roben
rooibos
Schultz's method
seminologist
shielding pond
staycations
tittivated
torsional vibration
towardliness
tripleback
Trueta method
uncontaminated soil
underturns
union catalogue
wipe out something
witlings
year of manufacture
zepto-grams