[机] 油泵的上、下冲程

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(241) / 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(217) / 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(205) / 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(227) / 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(205) / 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(249) / 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(232) / 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(209) / 评论(0) 分类 VOA标准英语2012年(八月)

Telemedicine has been used for years to deliver medical care to remote locations by audio or video links. Now, Canadian researchers are exploring the possibility of using that same technology to provide rehabilitation services to stroke patients in r

发表于:2019-01-13 / 阅读(204) / 评论(0) 分类 VOA标准英语2010年(六)月

BP oil company has announced its first major success in containing a massive oil leak in the Gulf of Mexico. Engineers inserted a metal tube into a broken pipe on the sea floor, to siphon oil into a ship on the surface. BP engineers implemented the f

发表于:2019-01-13 / 阅读(228) / 评论(0) 分类 VOA标准英语2010年(五)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(270) / 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(213) / 评论(0) 分类 VOA标准英语2011年(一月)

Lifestyle Changes May Ease Heart, Stroke Risk We hear the message about how to live a healthy life so much, it's hard to imagine there's anyone who hasn't heard it. Heart disease is preventable, said Dr. Patrice Desvigne Nickens, with the National He

发表于:2019-01-14 / 阅读(192) / 评论(0) 分类 VOA标准英语2013年(七月)

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(260) / 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(218) / 评论(0) 分类 2017年NPR美国国家公共电台5月

Texas Town's Fortunes Rise And Fall With Pump Jacks And Oil Prices AUDIE CORNISH, HOST: The middle class in America is constantly shifting and changing shape. Since the 1970s, it's shrunk decade by decade. We also know that income inequality is growi

发表于:2019-01-17 / 阅读(192) / 评论(0) 分类 2016年NPR美国国家公共电台8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(233) / 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(250) / 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(293) / 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(251) / 评论(0) 分类 学个词
学英语单词
a-canthopanax senticosus tablet
aide de camp
airman basic
alphabetist
and's
ankle-straps
archepiscopal
attract away
bandar fisheri formosae
brake shoe carrier
caramitru
chart of account
chemical inert support
chloromycetin
cirrus anvil
citiums
claim for liability
condensation kettle
crase
dark patch
deflection coils
eremophilene
escape trunk
exhaust steam casing
factorial sum
fantasise
feather alum
ferricopiapite
first party
fixing by landmark
generative software
high-tension measuring instrument
horizontal searching mode
hypophysis anterior lobe hormones
immunogenomics
incrementalduplex
intensive coronary care units
inter absent
interpretation of treaty
join in the laugh
Kawlin
kaynard
kiss spot
Major-Mitchell
mannity
market-economy
memo posting
minimum-codes
MMAPIs
multiple apertures
needle-punched insole leather
netegrity
neurotmeses
nontaxonomic
North-West Pt.
Nothapodytes foetida
Nouvelle-Calédonie
nuphar
opinionizing
outacting
paraben
physotomous
phytoconstituent
Platycerium andinum
polled
preserved skin
pretensioned wire
procurement document
pump single acting
puritanicalness
radiochemical replacement
radioisotopically
RBGAN
receiver general
recertifies
reflective blind
regiuss
representative fraction
response amplitude
resystematized
roll setting angle
Rudivirus
shawm
Sheffer strokes
signal clear aspect
Sonora, Estado de
spinelle
sporier
stabilizer of hydrogen peroxide
staggered form
standard-size
system infector
tentatively
thyratron gate
Tignale
toothpicker
trimethyl glucose
turn ... out
up-and-down method
Valencay
vinyl-ethyl alcohol
Warw.