三氯化钼

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(119) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
acanthomyosarcoma
advisedness
al bahr
Astomatida
back pressure transducer
bed-material load
brake lamp
brrs-brrs
business credit
canaigre ink
car rerailer
centrifugal drill
chemical reactivity control system
chicottes
chuchryk
cis-golgi network
composite filter
contra-account
cross-trader
Daily sacrifice
database configuration
denumerable sample space
descants
diarylhydrazine rearrangement
dpah
dry washer
duration of residence
e-retailers
E. E. T. S.
eat dust
Eperythrozoon ovis
EPNS
equality of educational opportunity
Ezhantsy
f-g
f.o.w.
femfreshes
footframes
galactarates
gas fired radiant tubes
genoeser
geometric accurate correction
geometric surface
gets at
gnaeus julius agricolas
ground-control laser guidance system
Hafralón
Hesychius of Alexandria
hircin
horror-struck
in name only
in-stadium
insearchable
king eider
Leblanc exciter
linchi
magazine bar
Malcotran
marine deposit
mass susceptibility
mesophilic bacteria
Mexazolamun
milvus migrans formosanus
Mlicrococcus flavus tardigradus
muriate of potash
nomainated purchaser
normal consistency
notosinister nitidus
ochrodermia
official secrets act
ophiodothella cyclobalanopsidis
Parahep
paraphasia
penny whistle
plastic body-like behaviour
poly-proline
polyvinylidene chloride
practical guide
rare-roasted
re-baptize
reset pulse generator
roll one's eyes
salt-water draft
schtupped
selected mine
Soy-Dome
step input/output table
telemagmatic
tetracations
transport pitch
trussed portal frame
unhybridised
universal grammar
unpardonableness
v.irr.
wash-fastness
wavelength measurement
waveshaping circuit
wedge slope
width of transition steepness
zinckenite zinkenite