[化] 三氯化铑

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(120) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
2D memory
absolute coding
acoustic holography by electrobeam scanning
allergic labyrinthitis
alpha-bronze
alter tack
anfractuous
apicolysis
autotomic
balkening
block gage (gage block) (slip gage)
booming out
bottle gourd
calibrational curve
cathode ray oscillograph
caude
Ciprobay
coefficient of field weakening
common phrase
consolidation within a specified time
construction business
contracomplementation
corer circuit
crape myrtles
crenicara
deglobalize
design review board
disc unit
diversity effect
electronic counter relay
encuentros
enterocolectomy
erosion constant
examthematous infectious disease
excorporate
familial progressive myoclonic epilepsy
fashion'd
femini(li)sm
free-enterprises
grommits
guildmate
higher-order
hypapophysis
impedance bonds
inchants
indirect discipline
individual feeder
indoor switching station
John of Damascus,saint
kashmirine
kelvinbridge
kuic
lateral acceleration
lateral branch
Laurus persea
lava
layer of cutting
lengthy cargo
lessing coking test
life process
lifecell
longnose gar
low rider
maneras
maximum permissible grid swing
milenas
moving-source method
multimachine structure
multistrands
neo-theory of population
neutron excess number
noise reduction fan
Ojays
OTK
paronomastic
power override
previous access mode
putting in prison
Re-Cross Examination
reproaches
rheumatic tetany
romi
seismic correlation
self cleaning contacts
shootout
sliding change drive
somatic peritoneum
spathodea
surfing the Net
system and procedures
thoste
trifoil cross-section
Tubipora
turecki
variable thermal control surface
varnishers
vortilons
waiting line approach
waits behind
wardlaw
webified
Yèvre