熔盐电解液电池

By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The

发表于:2018-12-01 / 阅读(157) / 评论(0) 分类 VOA2003(下)-环境与健康

What country has more historically active volcanoes than any other? 历史上哪个国家活火山最多? United States, Indonesia, Japan or Philippines? 美国、印尼、日本还是菲律宾? According to the U.S. Geological Survey, there are more

发表于:2018-12-20 / 阅读(80) / 评论(0) 分类 CNN美国有线新闻2018年5月

For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea

发表于:2018-12-30 / 阅读(138) / 评论(0) 分类 国家地理2008年

Called the hellhole of creation, the Afar Triangle lies at the junction of three continental plates which spread further each year. The oldest living lava lake and one of the lowest points on the planet. Geologists here can study the process that for

发表于:2018-12-30 / 阅读(189) / 评论(0) 分类 国家地理2007年

But despite the Mongol's attempts to master siege warfare, the Chinese were still much more advanced in their military technology. They responded by filling bombs with crude oil, molten metal, chemica

发表于:2019-01-02 / 阅读(102) / 评论(0) 分类 成吉思汗

By Carol Pearson Washington 25 September 2007 A lot of people wonder about the impact cell phones might have on their health. And now a new study shows that heavy mobile, or cell, phone use may result in hearing loss. VOA's Carol Pearson reports. As

发表于:2019-01-11 / 阅读(126) / 评论(0) 分类 2007年VOA标准英语(九月)

By Bill Rodgers Washington 19 May 2008 Cell phones are an example of what is sometimes now called leapfrog technology, a product that allows developing nations the benefits of a reliable and extensive communications network without the heavy investme

发表于:2019-01-13 / 阅读(94) / 评论(0) 分类 VOA标准英语2008年(五月)

研究显示太阳能发电站使用熔融金属可能造价更为低廉 While water circulates in this scale model of a concentrated solar power plant, a full-size plant uses molten salt. 水在这种规模的太阳能集中发电厂循环时,这座实

发表于:2019-01-14 / 阅读(87) / 评论(0) 分类 VOA标准英语2016年(三月)

Study: Running Sun Power Plant With Molten Metal May Be Cheaper 研究显示太阳电站运行或拉低熔融金属价格 Power plants that work with concentrated solar power use special molten salt to convert the suns heat into steam which turns the

发表于:2019-01-14 / 阅读(78) / 评论(0) 分类 VOA标准英语2016年(三月)

如果随便翻阅雅思阅读真题,我们常常会发现它涉及的词汇广度难度绝对不容小觑,甚至出现在GRE红宝书里的超强词汇也会频频亮相。于是,不少同学在初识雅思时都会产生畏难情绪,滋生出

发表于:2019-01-17 / 阅读(138) / 评论(0) 分类 实用英语

It's been five days since Hawaii's Kilauea volcano started erupting again, but a lot of the destruction is occurring miles from the mountain summit. This is all started Thursday on Hawaii's big island. Kilauea, which means both spewing and much sprea

发表于:2019-01-19 / 阅读(91) / 评论(0) 分类 CNN美国有线新闻2018年7月

We were left with this atmosphere made of molten rock and vaporous rock. It took millions of years for that atmosphere to fall out and to be replaced by an atmosphere made up of nitrogen and carbon dioxide and water vapour. These new gases came from

发表于:2019-01-23 / 阅读(78) / 评论(0) 分类 探索与发现2014年

By Victoria Cavaliere New York 16 October 2007 An annual stem cell research conference in New York has been bringing together some of the field's top scientists to discuss breakthroughs in stem cell research and what proponents call its long-term app

发表于:2019-01-31 / 阅读(115) / 评论(0) 分类 2007年VOA常速英语(十月)

By Paul Sisco Washington 17 April 2008 Federal regulators in Washington have approved plans to upgrade the nation's Emergency Alert System to include text messages to cellphones and other mobile devices. VOA's Paul Sisco has more in this Searching fo

发表于:2019-01-31 / 阅读(117) / 评论(0) 分类 VOA常速英语2008年(四月)

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(242) / 评论(0) 分类 英语新闻

Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte

发表于:2019-02-07 / 阅读(222) / 评论(0) 分类 趣味英语

Serious produce server Neser Balwich directs from the front seat while aerial cameraman Mike Calen controls the camera attached to the lows. Above 10,000 feet, the pilot must breathe oxygen through a passed tool beneath the nostrils. Approaching the

发表于:2019-02-15 / 阅读(137) / 评论(0) 分类 自然百科2012年

Like Mercury, the earth takes a beating from the sun's violent temper. Flares, sun storms and other solar hissy fits can cause electronic mayhem for the satellites that roam above our heads. Fortunately, the earth is protected from this radiation by

发表于:2019-02-15 / 阅读(212) / 评论(0) 分类 自然百科2012年

WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi

发表于:2019-02-18 / 阅读(171) / 评论(0) 分类 英语新闻

Taking a Volcanos Temperature 火山喷发(volcanic eruption)是一种奇特的地质现象,是地壳运动的一种表现形式,也是地球内部热能在地表的一种最强烈的显示。是岩浆等喷出物在短时间内从火山口向地

发表于:2019-02-24 / 阅读(68) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
'ud
administereth
air triangulation
aldes
alizarin brilliant violet R
approved maker
auxiliary headlamp
back lands
Back Orifice
banlieue
bushfelling
cashew apples
Chittur
cistula
clip bolt
clutz
complices
consolidate
copleston
coronary blood vessel
coumestans
course pickup
cusfta
Cyklodorm
data switch equipment
dawks
deacetylmethylcolchicine
derivative control(or lead network)
design format
design manual
dilgers
dimple pin
ecotaxation
electroconductive
elephantiasis neuromatosas
end-of-field maek
engineering data requirements
extended desktop
fatherers
fawdom
flexure stress
frigorigraph
frost boil
Gaekwars
get to close quarters
grantee of license
grass clipper
green buoy
Habit-formation
halilovic
infraorbital bar
intergenic
internucleotide linkage
irregular screw dislocation
kolmogoroff's hypothesis
list-directed input output
lithruia
logologists
loverly
mandalalike
material heresy
Mekonium
memsize
mental enfeeblement
milcer
missing message
Monsel
municipality directly under the Central Government
neoseiulus cucumeris
okthalmomicroscop
pleuropneumonialike organism
press buck
proton flux
psychoneuroimmunologically
re-render
real-time clock executive
reinforcing phase
ripple-mark wave length
run adrift
sea-island composite fiber
serial numbers
spikeless
springwort
squashily
steel founder
struck nucleus
sulfocyclorubber
surface texture of seed
sympathiconeuritis
tandem working
transformerless receiver
trench-plough
Trenche R.
tympanic organ
uneroticised
unscraped
vanderheiden
Vauchassis
Weixitie
win someone's ear s
yoshikazu