[建] 卡可基氯, 二甲胂基氯

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
acetylbiuret
aeneass
airmortor
Amssacia
angle purlin
aperiodograph
ardisias
austrian monetary units
backstrapped
bamgbose
be caught dead
beta emitters
bleach-out process
bodhisats
Boosaaso
branchialis
circumarctic
cold turkey withdrawal
collective vibration
common basal vein
concordia
Coty
credentialed
definition measurement
differential-pressure transducer
empty-bellied
fatmen
flasher dropping
floating-betalipoproteinemia
fluohydrisone
Fone's-method
forthtell
full description
gernon
ginaca
glossinidaes
grossing out
hand adjustment
hemosiderinuria
henge
hetmen
Hobsonville
hopping john
hyperlymphocytosis
Il'insko-Podomskoye
immunoglobulin receptors
inextricableness
inlet channel
inter-class
inter-system crosstalk
Internet age
jamble
kralls
larvapod
lay-off
Ledum
level of supply
liven stellartor
manipulators Extraman
manufacturer's liability insurance
mixonephridium
multi-input system
negative input positive output
one-time loss
paralysis agitans
Pauly's points
pay sb back in the same coin
Perratt
planktonological
Polovtsy
postrio
prasozin
procaviidaes
RCMC
rich mixture
root pocket
round-chisel
saurias
screen size gradation
self reversal
semi-compounded molding sand
set someone a task
shock of metabalodispersion
short-clrcuiting or grounding de-vice
silicon slice detergent
sluring
steady state unavailability
stenothyra edogawensis tanabensis
structural plateau
stub land
thoracic medicines
traditional morality
training module
transmitting mode
Tulipa gesneriana L.
typhine
undecandioic acid
untranslatably
wardmen
xenization
zero - point energy
zero sequence symmetrical component