气压装置,风箱

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(332) / 评论(0) 分类 英文名句短语

Ronald Reagan: The Space Shuttle

发表于:2018-12-05 / 阅读(272) / 评论(0) 分类 美国经典英文演讲100篇

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(195) / 评论(0) 分类 VOA2003(上)-科技导航

By Paul Sisco Washington 30 May 2008 Saturday's shuttle mission to the International Space Station can come none too soon for station crew members. A broken toilet has had them using a backup system, and they need a new pump mechanism. The crew of th

发表于:2018-12-08 / 阅读(190) / 评论(0) 分类 VOA标准英语2008年(五月)

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(281) / 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(243) / 评论(0) 分类 VOA2003(上)-科技先知

By Rohit Kulkarni Washington, D.C. 23 July 2007 Flying into space is an adventure only a select few will ever experience. But the U.S. space agency, NASA, is now offering visitors to the Kennedy Space Center in Florida the excitement of spaceflight w

发表于:2019-01-12 / 阅读(215) / 评论(0) 分类 2007年VOA标准英语(七月)

The Space Shuttle Endeavour has landed after completing an 11-day mission to expand living space aboard the International Space Station. VOA's Brian Wagner reports from Miami. Space shuttle Endeavour and the STS-126 crew land at Edwards Air Force Ba

发表于:2019-01-13 / 阅读(194) / 评论(0) 分类 VOA标准英语2008年(十二月)

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(217) / 评论(0) 分类 托福英语

By Alex Villarreal Washington 25 October 2007 The U.S. space shuttle Discovery has docked at the International Space Station, marking the next phase in a complex mission to expand the international orbiter. VOA's Alex Villarreal reports from Washingt

发表于:2019-01-31 / 阅读(226) / 评论(0) 分类 2007年VOA常速英语(十月)

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(228) / 评论(0) 分类 英语新闻

By Michael Bowman Washington 20 February 2008 The U.S. Space Shuttle Atlantis is back on earth after delivering a new laboratory to the International Space Station. VOA's Michael Bowman has details from Washington. Sonic booms echoed over Florida as

发表于:2019-02-05 / 阅读(155) / 评论(0) 分类 VOA常速英语2008年(二月)

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(194) / 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(227) / 评论(0) 分类 英语新闻

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(218) / 评论(0) 分类 英语新闻

By Brian Wagner Kennedy Space Center, Florida 16 August 2007 Space Shuttle Endeavour is launched Thousands of people traveled to Kennedy Space Center for the recent launch of the shuttle Endeavour, and many more watched on television. VOA's Brian Wag

发表于:2019-02-17 / 阅读(307) / 评论(0) 分类 2007年VOA标准英语(八月)

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(183) / 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(215) / 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(190) / 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(286) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
5-ureidohydantoin
Agriculture Act
akil
algebraic multiplicity
aminoplastics
balsamic vinegar
basic necessity
bexarotene
bibliografia
boiler jacket
bolted fishplate splice
broken ashlar masonry
built-in microscope
burr wood
caesium atomic beam
Carrier Grade Linux
cease to act for principal
commercial communication satellite
communises
construction plant and facilities
coupling compound
Darvinskiy Gosudarstvennyy Zapovednik
Direxiode
electric torsiograph
elevation of low water
enicospilus nigristigma
eorasite
Fatou set
favoringly
figurate numbers
finished state
flake tool
flitcroft
focused factory
fractional still head
get sth. off one's hands
give it some welly
green book cd-rom
gurevitz
hammer-and-sickle
hemitripterus americanuss
holdless
holy fool
humidity of air
IABA
inherent immunity
interungular
KB-509
limestone quarry
long view
malaxis paludosa smartz
matts
methylindolizidine
midshipman
mobile payment
Morrissey
myrtle oil
Myrviken
ndl
needle-leaved
operator of principal type
organ-like
ossama
physical distancemeter
plant cell division
polder
power supply unit
pre-acquaint
pressure ram
qiora
quartz lens
questionatively
rascalship
reflux side
relief outlet
rephosphorylations
restrictive business practice
Rāmpur Hāt
scale-forming material
Schlieren projection lens
selliguea echinospora
seriatum
short - circuit current
snoek
squushy
stump foot
subrogation clause
subterranean economy
telegraphones
thermomagnetization
to heavens
tow aircraft
tr (transmitter)
turbo-charger complement
two-dimensional laser scanning system
u-factor
unleant
unpermeable
velocity of impact
very large instruction word
viaminate
wallago