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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(138) / 评论(0) 分类 VOA标准英语2014年(六月)

Recycling Plastics When plastic containers are recycled, they are first cleaned, then ground into tiny pellets and put into a flotation tank. This separates out the various plastic resins from other waste material. Once they are separated out, the pl

发表于:2018-12-27 / 阅读(119) / 评论(0) 分类 英语时差8,16

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(132) / 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(189) / 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(131) / 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(129) / 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(221) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
a word in season
actuated error
ambulacral pore
average assistance
b.c.e
bows to
brush retouching
calendar watch
camik
cardio - pulmonary resuscitation
Catalogue of Life
chemical reprocessing
circulating system of rig
coded biphase
coefficient of price reaction
compound cylinder
contiental drift hypothesis
core bedding frame
cotton applicator
craniid
Custer's method staining
Decca data sheet
diaphalene
dietary laws
differential pulley
directional emissivity
double-handlings
double-membrane loudspeaker
ecological geobotany
El Ancón
Ephedra intermedia
epiton
esperoes
exchange premium
feed waterdeaeration
feedforward systems
force potential function
French drains
fusion torch
grafting of dormant season
group matrix
harmsworths
have a miff
have a thick hide
herringbone type evaporator
improvement on leased property
in someone's head
inbound freight
inda
inharmoniously
ink-dot
investment counselor
jsoc
Keep posted
Krugerdorf
look right through someone
low active working register
medicare benefits
memory assisted recognition
metacolloidal minerals
Munte
nonlinear actuator
Oicomonas
Old Hundred
one-armed bandits
pattern drag
pedal steel guitarist
per capota
Pressac
prototype patterns
push-pull output stage
Pyrgo
pyrovatex CP
radial flow fan
rear mudguard stay
renovation of old buildings
revenue-earning department
road-rage
Sabrina Necklace
saline facies
self-checking system
sentinels
shamee
short carriage knitting machine
silk reeling
silver dithionate
Spokoynaya
Springton
stank eye
stearothermophilus
sulfuranes
summonsing
swing state
take springs out of
transverse sinus
vaginal cavity
vertical burning method
vivonex
water thrushes
water-jet propulsion
weisser
zonked-out