硫化镉光电池;硫化镉光电管

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)

I couldn't get over this mess. The federal government is confirming what Joan Glickman of Pompano Beach, Florida suspected all along. Tainted drywall from China is giving off a harmful gas that's turning her air-conditioning wiring black, causing it

发表于:2018-12-20 / 阅读(51) / 评论(0) 分类 cnn2009年(十一)月

Mercury Fillings Seem Safer over Time A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system

发表于:2019-01-02 / 阅读(105) / 评论(0) 分类 60秒科学

From VOA Learning English, this is the Health Lifestyle report. Garlic is one of the most common cooking ingredients around the world. Many dishes in Europe, Africa, Asia and the Americas use this strong-flavored vegetable. Garlic is similar to other

发表于:2019-01-12 / 阅读(83) / 评论(0) 分类 2016年VOA慢速英语(十二)月

Black Tongues and Stomach Aches Don: Oh, no, Ya?l, I think I'm having a medical emergency. Quick! Call an ambulance. Ya?l: A medical emergency, Don? Are you sure? You look fine to me! D: But I'm not. This morning, I had a terrible stomach ache. And n

发表于:2019-01-26 / 阅读(51) / 评论(0) 分类 英语听力文摘 English Digest

BEIJING, Feb. 2 (Xinhuanet) -- The source of cadmium contamination in the Liujiang River had been blocked and tap water in Liuzhou is safe to drink, said environmental officials of the Guangxi Zhuang autonomous region on Wednesday. Tap water from Liu

发表于:2019-02-03 / 阅读(54) / 评论(0) 分类 英语新闻
学英语单词
AETF
age of chivalry
airy floating theory
alectorur syedoensis mak.
American badger
Antarctica
antenna gain
array identifier
automatic reinvestment
bear's-paw fern
break prison
cab guard
Cernegula
circulating water main
coefficient of kinematic viscosity
complex exponential
compressive strength for point contact
contouring temperature recorder
cool it
craft-store
cum-dumpsters
DDAS
ellipse
eng ring
expectancy chart
false ragweeds
figurer
fractal compression
froth degumming
fucoid algae
geodetic graph
gobi deserts
gold-foil
Greke
Gryaznoye
guaranteed horse-power
had a crush on me
Heavenly City
high-spin complex
hysteresis of braking system
inner product of hyperspheres
interleaved memory
inx
key separation
korngolds
Kuching
line breadth
linear unbiased
look to book
lubrication interval
make ready
mandvi
manganous trimetaphosphate
Marahoué, Région de la
marketing cost
metamonads
monocrystalline germanium
mudcloth
NCSA TELNET
necklet
net mask
nonhypertrophied
normally closed gate
oil the palm
opechancanough
options trading member
overregularizes
oxytalan fiber
parnevik
Perineurioma
pile carpet
pme
projection equation
pseudolupus
pyrophyllites
reinforced hole
resumption of hostilities
rock ranger
schizosepalous calyx
Scotch kiss
semicured tobacco
sensory processing
set one's foot on the neck of sb.
shradhs
solid centre
spilling the beans
St Mark Parish
Stern's position
steroid glycoside
stupefaction
subordinate activation
surplus area
tension test specimen
Thymiode
top brands
torsion memebr
tumo
unexhaled
vermas
wardialers
with a stroke of the brush
zero divisor, zero-divisor