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(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(108) / 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
acknowledge signal
aheadness
alhama r.
american dance guild
Amphistomata
anti-bonding
apocalypticism, apocalyptism
attachable goniometer
B. and B.
bell-mouth overflow
Brinon-sur-Beuvron
cacklier
cadmium oxyiodide
cagliostra
cesanite
clean payment letter of credit
clunkily
coal tar remedies
coastal inlet
cobaltic boride
colectivoes
compensatory cardiac hypertrophy
continuous flow settling tank
counterpositional
cryptogamous plants
Cuddapan, L.
delic
dental ceramics
Detonieren
divergements
esophageal motility dysfunction
eve-churr
fayoum
frequency hysteresis
Fresnel zones
gamma compensation
geokinematics
give up sth
harmonistic
homodianthrone
impowered
isothymol
kaenaea samarangae
kensals
khaya
language proficiency examination
lesboland
levan
level enable flipflop
levelling bolt
massa pilularum
measuring temperature basis
musculus obliquus capitis
nanoisland
nightmare
Normandia
nuclear-weapon technology
of many gifts
orthocortex
orthostates
outbound traffic
Owner's Wharf
pappataci fevers
parity duty
plankto-hyponeuston
preheating flame
processing with salt-water
pseudoglucosidase
R.N.
radiopositioning mobile station
rauwolfias
red stingray
rosa chinensis var.viridiflora dipp
rouned material
Rytel
salomone
salons
school-agers
seamless casing
self-defense
self-drilling tapping screw
semmes
side-trackeds
sockmaker
sown
starvation wage
stranguria during pregnancy
telemetry
terminal ileum
the initiated
traction system
treses
unissued share
universal chrome-plated vernier angle protractor
uphoard
uploads
vacuum control modulator valve
variable-inductance accelerometer
vers-libriste
wedge pin
zooxanthela