梭档转子式泵;滑块泵

发表于:2018-12-04 / 阅读(364) / 评论(0) 分类 自考英语(一)78讲

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(355) / 评论(0) 分类 英语每日一词

Broadcast: May 10, 2003 By Cynthia Kirk This is the VOA Special English program, In the News. Investigators say they now believe they know what caused the American space shuttle Columbia to break apar

发表于:2018-12-07 / 阅读(324) / 评论(0) 分类 VOA2003(上)-科技导航

Broadcast: Mar 15, 2003 The U.S. space agency NASA is getting ready to resume shuttle flights as early as September or October. But the return to flight depends on whether the cause of the shuttle Col

发表于:2019-01-03 / 阅读(398) / 评论(0) 分类 VOA2003(上)-科技先知

Broadcast: Feb 07, 2003 U.S. space agency officials confirmed Friday that they are analyzing military photographs that appear to show damage to the space shuttle Columbia shortly before it disintegrat

发表于:2019-01-03 / 阅读(360) / 评论(0) 分类 VOA2003(上)-科技先知

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(321) / 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(357) / 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(345) / 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(398) / 评论(0) 分类 VOA标准英语2010年(四)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(363) / 评论(0) 分类 英文短篇故事(纽约)

WASHINGTON, May 30 (Xinhua) -- After nearly 12 days together in orbit, U.S. space shuttle Endeavour(奋进号) undocked from the International Space Station on Sunday night, NASA announced on Monday. According to NASA, the undocking took place at 11:

发表于:2019-02-02 / 阅读(325) / 评论(0) 分类 英语新闻

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(358) / 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(460) / 评论(0) 分类 365个英语简短小故事

WASHINGTON, July 10 (Xinhua) -- U.S. space shuttle Atlantis docked with the International Space Station on Sunday morning after nearly two days of flight. Commander Christopher Ferguson guided space shuttle Atlantis to a docking with the station at 1

发表于:2019-02-08 / 阅读(291) / 评论(0) 分类 英语新闻

WASHINGTON, July 8 (Xinhua) -- U.S. President Barack Obama on Friday hailed space shuttle Atlantis' final flight in NASA's shuttle program, saying Americans across the country watched with pride as America reached for the heavens once more. Obama exp

发表于:2019-02-09 / 阅读(326) / 评论(0) 分类 英语新闻

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(380) / 评论(0) 分类 学个词

The U.S. space shuttle(航天飞机) Discovery has completed its work at the International Space Station on its 39th and final mission, and is preparing for Wednesday's scheduled landing at the Kennedy Space Center in Florida. The shuttle success

发表于:2019-02-17 / 阅读(325) / 评论(0) 分类 英语新闻

As crew members of the upcoming NASA space shuttle mission prepare for the final flight of the shuttle program, they say they are inspired by NASA's accomplishments, but also about the retirement of the shuttle fleet and lay-offs among the NASA commu

发表于:2019-02-18 / 阅读(294) / 评论(0) 分类 英语新闻

The space shuttle Endeavour has returned to Earth for the final time, after completing a 16-day mission to the International Space Station. NASA welcomed home the Endeavour shuttle before dawn Wednesday, after the ship glided in from a safe re-entry

发表于:2019-02-18 / 阅读(344) / 评论(0) 分类 英语新闻

WASHINGTON, March 9 (Xinhua) -- U.S. space shuttle Discovery landed safely at the Kennedy Space Center in Florida on Wednesday, ending its nearly 27-year flying career as the world's most- traveled spaceship(宇宙飞船). According to NASA, Disc

发表于:2019-02-18 / 阅读(288) / 评论(0) 分类 英语新闻
学英语单词
abolishable
abscess of areola
acromegale
ajoene
antistreptolysin o
antithetic sampling
assembler routine
asymmetric slug
backtraces
Barren I.
benchscale
benzodipyrrole
bjp
branched passage
bubononcus
cable current transformator
carburizing paste
central-server hardware configuration
chemical glass
chip washer
Coats's disease
coke dross
cooling water system for water cooled generator
current instruction
density porosity
Derby Day
device parameter
digit mode
dispeopling
drainage pattern
dupin'
endogenising
festual
fleisch
flexure of sound wave
food and drink
foreken
frushy
general gravitation
gestationperiod
give up on sb
gustatory
Haemobartonellosis
hemagglutinin
hemisection of spinal cord
Hermesian
hydrogen content in capping layer
hyoglossal muscle
inclined shaft development system
indisposable
jumping second driving wheel
laughing goose
lead broker
leana
Libiyā
liposucked
Macugnaga
Medvezhiy, Ostrov
meliorating
multi-phase load module
neurohumoral
Normoglucina
optical mode
osmium chloride
paratext
philadelphy
photoheliography
pitcher's plate
Poehl's tests
praeterita
pre-legislation
pterophore
punch calculation
rannel
redtwig
redundancy term
scientific computer
sedcoes
server management
shown their ivories
single suction centrifugal pump
socialist-feminisms
soil judging
sophis
sorors
steam jet air pump
sternum pectorale
stoppage of work
streptosolen jamesoniis
submandibular salivary glands
Swertia macrosperma
syngeoesiotransplantation
tailored control system
too-wide
tubercula septi
Umm Inderaba
visible function
weakly typical sequence
welfare bum
woodworking industry
yahud
yolk pyramid