金属液泵

今天要学的一个词是:pump。pump,Pump一般是指泵,或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采,《洛杉矶时报》的标题说:Oilfield Closure t

发表于:2018-12-04 / 阅读(155) / 评论(0) 分类 英语每日一词

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(101) / 评论(0) 分类 CNN美国有线新闻2018年5月

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(208) / 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(124) / 评论(0) 分类 成吉思汗

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Description: Metal Sonic is flying through space and comes to an asteroid field, you need to help him blast his way through without getting hit or its game over. Instructions: Move: Up

发表于:2019-01-08 / 阅读(207) / 评论(0) 分类 Daily Free Games

By Melinda Smith Washington 28 March 2008 Last month we told you about a young woman in the United States who got an experimental heart pump to help keep her alive. VOA's Melinda Smith has an update on her remarkable story.

发表于:2019-01-12 / 阅读(119) / 评论(0) 分类 VOA标准英语2008年(三月)

The World Health Organization says heart disease kills about 17 million people every year and that it will become the leading cause of death in developing countries. But now, there is some hope. A new device is being marketed that could save countles

发表于:2019-01-13 / 阅读(146) / 评论(0) 分类 VOA标准英语2010年(一月)

'Horseheads' dip into the earth to make their owners a few bucks Ted Landphair | Washington, DC 31 March 2010 If you wonder why pumpjacks are sometimes called horseheads, stick a couple of ears and paint an eye on each side of this one, and you'll se

发表于:2019-01-13 / 阅读(161) / 评论(0) 分类 VOA标准英语2010年(四)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(110) / 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(96) / 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(160) / 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(113) / 评论(0) 分类 CNN美国有线新闻2018年7月

He was going to ride his bike down to South Ferry. He squeezed the tires. They were soft. They needed air. I should buy a pump one of these days, he thought. He rode his bike to K-Mart on 34th Street. He walked the bike inside the store. He went to t

发表于:2019-01-22 / 阅读(145) / 评论(0) 分类 英文短篇故事(纽约)

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(115) / 评论(0) 分类 探索与发现2014年

今天要学的一个词是:pump。pump,Pump一般是指泵,或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采,《洛杉矶时报》的标题说:Oilfield Closure t

发表于:2019-02-02 / 阅读(164) / 评论(0) 分类 英语单词荟萃

The blue bike was sitting in Owens living room. It had no kickstand, so he had wedged the front tire in between two bookshelves so that the bike would stand upright. Both tires were flat. Dust covered the bike. However, no household spiders had set u

发表于:2019-02-03 / 阅读(199) / 评论(0) 分类 365个英语简短小故事

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(155) / 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(236) / 评论(0) 分类 自然百科2012年

今天要学的一个词是:pump。pump,Pump一般是指泵,或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采,《洛杉矶时报》的标题说:Oilfield Closure t

发表于:2019-02-16 / 阅读(160) / 评论(0) 分类 学个词

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(95) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
abu haraz
adductor longus
advantage game
aerosolised
air gate bearing door
air-setting refractory cement
altermaria carotae (ell.et langl.)elliot
aluminium alloy sheet
ameliorative approach
antiicing additive
ash soil
athletic supporter/support
axis of hexagonal symmetry
balducci
barsine ponlai
bcira(british cast iron research association)
body hook
breaker bottom
bronchus ligature clamps
burnedup
canary (england)
characteristic velocity scale
chased finish
chemical bond
chullo
circular hole
closingvolume
corrugated covering
D.T.Y.
daily local supply
data telephone circuit
decimal
developability
elastic creep recovery
escape characters
eudorina elegans ehrenb.
get the heave-ho from someone
gifted people
globular map projection
go to glory
goione
hand-operated sliding door
in someone's debt
income-earners
incomplete Latin square
Kolodko
lassy me
Lekaweng
liberal feminism
liver-pancreas
looped lace
magnetic ionized manometer
magnetic mineral
marasmiellus dendroegrus
mark disease
mation search
micrencorder
mizuho
modern music
money claim
monkey orchid
multiplexing channel adapter
na-nas
naphthamine blue
Nitralloy steel
oscillating region
overschooled
partial bleaching
peraquinsin
possibilitate
precordialgia
primary slip system
prolixt
ratabilities
reference thermoelectromotive force
reverse-thrust nozzle
rosin-maleic ester
rotatography
Salada, I.
sawtooth side dresser
sebastianas
simultaneous equation model
small single-phase induction motor
soft nitriding
sounding machine feeler
squid-jigger
Staniljub
station concourse
steenstrupine-(Ce)
stroke book
Tadjoura
taklamakan deserts
Tantalo-obruchevite
tapered block copolymer
telts
tolnidamine
transmitting aperture
uniform plane wave
unpartnered
unsoeld
ventral cutaneous vein
zinjanthropera