气致动计量泵

841 、 埋头铆钉 countersinkheadrivet 842 、 埋头锥孔 countersink 843 、 埋头螺栓 countersinkheadbolt 844 、 埋头螺丝 countersinkheadscrew 845 、 埋头钻 countersinkdrill 846 、

发表于:2018-11-29 / 阅读(259) / 评论(0) 分类 英文名句短语

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(189) / 评论(0) 分类 英语每日一词

By Nancy Steinbach Broadcast: October 1, 2003 This is Faith Lapidus with the VOA Special English Health Report. Scientists in Iceland say they have identified the first gene linked to common forms of

发表于:2018-12-15 / 阅读(164) / 评论(0) 分类 VOA2003(下)-环境与健康

Diet Rich in Tomatoes May Reduce Stroke Risk A long-term study has found that people who routinely eat a lot of tomatoes are less likely to suffer strokes. Tomatoes are rich in lycopene, an antioxidant that scientists believe reduces the risk of hear

发表于:2019-01-06 / 阅读(158) / 评论(0) 分类 英语新闻

This is the VOA Special English Health Report. A stroke is a loss of blood flow in the brain. There are two kinds of stroke. One is an ischemic stroke. It happens when a blood vessel in the brain gets blocked. The other kind is called a hemorrhagic,

发表于:2019-01-11 / 阅读(184) / 评论(0) 分类 VOA慢速英语2008年(八)月

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(150) / 评论(0) 分类 VOA标准英语2008年(三月)

By VOA Sports Washington, DC 19 January 2008 German golfer Martin Kaymer has fired a 4-under-par 68 to maintain a six-stroke lead after the third round of the Abu Dhabi Golf Championship in the United Arab Emirates. Kaymer, last year's European PGA T

发表于:2019-01-13 / 阅读(192) / 评论(0) 分类 VOA标准英语2008年(一月)

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(181) / 评论(0) 分类 VOA标准英语2010年(一月)

Life-saving Heart Pump Developed for Children Sixteen-year-old Marco Murguia can now play basketball and live a normal life. But in early 2007, when he was ten, his mother, Connie Murguia, noticed he was acting sluggish and took him to Texas Children

发表于:2019-01-13 / 阅读(152) / 评论(0) 分类 VOA标准英语2012年(八月)

'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(199) / 评论(0) 分类 VOA标准英语2010年(四)月

A new study of stroke in the United States has found that the rate of brain-damaging blood clots has increased dramatically among people infected with HIV. The increase in strokes coincides with the use of newer, more effective AIDS medicines. Bruce

发表于:2019-01-14 / 阅读(162) / 评论(0) 分类 VOA标准英语2011年(一月)

Simon, a college grad, always pointed out the errors in his brother Brevyn's emails. When are you going to stop confusing 'its' with 'it's'? he often asked. Brevyn, a high school grad, said that nobody ever noticed anyway. Brevyn knew that Simon was

发表于:2019-01-16 / 阅读(203) / 评论(0) 分类 365个英语简短小故事

RACHEL MARTIN, HOST: About 800,000 people have strokes every year in the U.S. Most are caused when a clot blocks a blood vessel to the brain. We've known about strokes for a long time. But it wasn't until recently that doctors could do anything about

发表于:2019-01-17 / 阅读(166) / 评论(0) 分类 2017年NPR美国国家公共电台5月

托福阅读:托福阅读中需要理解的重要句子 1.Wearing masks and costumes, they often impersonated other people, animals, or supernatural beings, and mined the desired effect success in hunt or battle, the coming rain, the revi

发表于:2019-01-18 / 阅读(168) / 评论(0) 分类 托福英语

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(188) / 评论(0) 分类 英文短篇故事(纽约)

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(204) / 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(238) / 评论(0) 分类 365个英语简短小故事

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(198) / 评论(0) 分类 学个词

Only 40 percent of Nigerians have access to electricity and less than half of those people receive their power through meters that measure how much electricity they use. In Abuja, the capital, stealing and overcharging for electricity usage are commo

发表于:2019-02-17 / 阅读(155) / 评论(0) 分类 英语新闻

Try an mnemonic device such as an acronym sentence like Raging Martians Invaded Venus Using X-ray Guns. 尝试用可以帮助记忆的口诀,像是首字母缩略字组成的句子,例如:愤怒的火星人用X光枪入侵金星。 学习重点:

发表于:2019-02-22 / 阅读(226) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
'ate
acetaldehyde semicarbazone
active light modulation
adjustment curve
adneural
aerodynamic design
aeromedical evacuation control officer
Albany beef
Amashai
Amsterdamer
anastasio
ascetism
Askania auxilliary piston
Association of Sea and Air Port Health Authorities
axle gage(axle gauge)
bedes
bell gastrula
Bernoulli variable
Bishemnagar
boresight shift
borrego
bourgeoned
bte
cat davit
CH-RF
circumanal sebaceous gland
Clubnail
co-order
coaxial needle electrode
Continuously variable.
conventicles
Corylus fargesii
derepresss
direction-annexed traverse
ear sponge
Eiterfeld
emulsion-laser storage
Farmiblastina
FBSes
fibre morphometer
fight against
FISlTA
gift of plant and equipment
Girondist
green paper
ground colour light signal
Hexamarium
HFBSOV
hydraulic trip assembly
illumina
implexous
jerk the cat
kammi
lameds
linguanauts
logical cperotion
maikoa
mayonaise
mis-represent
monitor school
motionate
Ninurta
norethindrone-3-oxime
occipital ganglion
olfactory coefficient
open by cable
pitchfest
preceding fiscal year
precornu
pressure-gradient hydrophone
primordial lepidomorium
Raphidiodea
rate of penetration (rop)
relay-operated accumulator
secret communication
seidmen
seminator
sempstresses
sexing up
silicon target camera tube
single address computer
smoke density test
sneer
sort name
stevedoring charge
stoiques
sudden load increase
suppress interference
synhymenium
teen-angst
there-anent
three-point mooring
Thysanotus chinensis
Torula histolytica
triple-pole
ubars
untheorized
vapour condensation number
videographics
volume of soil soild phase
wappenschaw
wet water