氯化镱(III) {三氯化镱}

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
adjust compass
aerial photograph converter
angetting
antimyasthenics
auditorium acoustics
be meant to be
bizzy
Brown Bera Seamount
cardinal tetras
caryoplastin
cat head line
Cobres
combination impulse and reaction turbine
context-dependent compression
crestomicina
d'arsonvalism
daughter corm
decapitation secretion
decitesla
Deliver and queued mail
detachable rubbing plate
Dociton
Dow Jones News Service
drawlingness
each of
electionary
equivalent axis coil
euplica ionida
ferrimolybdite
fifteen thirty
first ladies
funds for use at one's own discretion
gimlet
grandfather cycle
haplic luvisols
harbor office
have a no kick coming
home-works
hyacinth
hypopygium
indurate
introsumes
iso-abnormal line
Lensk(Mukhtuya)
lutocylol
magnesia carbonata
manicure set
Mauritian rupee
middlemas
mistoes
muck-raker
multilacunar
Munf.
n-n junction
naphthenic (base) crude (oil)
non-polar group
normal module
northlight
occipital chord
Ohrdorf
olympian
Op18
orsillo
out-flood
pannwitz
paramoecium
phoma persicae sacc.
pneumologists
polar body
quality-based
radioinstruments
ram and retort grate
rich fruit in apple
Roig, C.
rosicrucianisms
rosterings
roxburghes
roystered
Seaward Kaikoura Ra.
second window
stadia system
stand the show of
Storjola
tail-shape epithelial cells
taylor system
Thevanide
time-delay servo
took a glance over
TR (test run)
transmissivity
trip mechanism
tubular load
tunnified
underlife
undersweat
visvanathan
Waltz position
wedding breakfasts
weiler
Where were you born
Younginiformes