接地回流电刷

Broadcast: May 7, 2003 By Paul Thompson VOICE ONE: This is Steve Ember. VOICE TWO: And this is Phoebe Zimmermann with the VOA Special English program EXPLORATIONS. We have news about two exploration d

发表于:2018-12-07 / 阅读(117) / 评论(0) 分类 VOA2003(上)-科技导航

Physicist Stephen Hawking said people should return to the Moon and go to Mars because leaving Earth may be the only way to save humanity. Hawking said that as Earth faces climate change and pressure on natural resources, human beings need to reach b

发表于:2018-12-07 / 阅读(103) / 评论(0) 分类 2017年VOA慢速英语(七)月

By Richard Krantz Washington, D.C. 28 February 2006 watch Space Program report Proposed space vehicle With little fanfare, and on a tight budget, the United States is reshaping its space program in an

发表于:2018-12-16 / 阅读(130) / 评论(0) 分类 2006年VOA标准英语(二月)

I am John B. Welcome to the 360 podcast. A woman who would say she died left this world and returned to tell the tale. Also it was a very woozy thanks giving on the ridiculous. Lets get started. This Sunday night at 7 p.m.CNN will broadcast a special

发表于:2018-12-19 / 阅读(118) / 评论(0) 分类 CNN2013年(十二)月

dialog 1 Sam, would you like to borrow my hammer? If you don't mind Of course not. Ok, I'll return it tomorrow. That's fine, but just keep it as long as you need it. Thanks a lot, you are a great help. Dialog 2 Hi, What are you doing? I'm trying to

发表于:2018-12-26 / 阅读(127) / 评论(0) 分类 英语会话速成

今天要学的词是go-ahead。 Go-ahead,两个词当中加联接号,go-ahead就成了名词,意思是批准或下令。报导说:The space shuttle Atlantis was given the go-ahead to return to Earth, 亚特兰蒂斯号航天飞机得到命令返

发表于:2018-12-30 / 阅读(107) / 评论(0) 分类 英语每日一词

go-ahead 意思是批准或下令. 报道说,The Space Shuttle Atlantis was given the go-ahead to return to earth.亚特兰蒂斯号航天飞机得到命令返回地球. 一个老板说,I have already given them the go-ahead. What are they waitting f

发表于:2018-12-30 / 阅读(86) / 评论(0) 分类 英语单词荟萃

Why Is Gravity Good For Us? When astronauts return from long missions in space, their exit from the spacecraft is usually hidden from public view. This is because after several months in weightless conditions, things we usually take for granted, such

发表于:2018-12-31 / 阅读(119) / 评论(0) 分类 英语听力文摘 English Digest

By extraordinary coincidence, the 500 conquistadors led by Hernan Cortes arrived during the exact year when an Aztec prophecy foretold the return of Quetzalcoatl, the feathered serpent God. Feathered

发表于:2019-01-02 / 阅读(179) / 评论(0) 分类 远古的回响

An astronaut stands on the surface of the Moon Scientists in the UK have expressed their enthusiasm for Chinas plans to explore the Moon with robotic spacecraft , and are keen to take part in the adventure. British scientists are seeking to collabor

发表于:2019-01-02 / 阅读(104) / 评论(0) 分类 Take Away English

EXPLORATIONS - 'Houston, We've Had a Problem Here': The Survival of Apollo 13By Marilyn Rice Christiano and directed by Paul Thompson Broadcast: Wednesday, August 30, 2006 ANNOUNCER: EXPLORATIONS -- a

发表于:2019-01-02 / 阅读(99) / 评论(0) 分类 2006年慢速英语(八)月

A: Have you talked to Mr. Smith about Ben's obscene speech towards you? A: 你跟 Smith 先生提过 Ben对你讲的猥亵的话吗? B: Yes, but he brushed it off as if it were not a big deal to him. B: 有! 但他轻轻带过(不理), 好像觉得那并

发表于:2019-01-08 / 阅读(126) / 评论(0) 分类 美国俚语

Oh, man, thats incredible!.... A tour of the solar system wouldnt be complete without a visit to its largest planet, but with the grandest sights, biggest dangers and greatest mysteries all on the itinerary, it pays to brush up before blast off. Cons

发表于:2019-01-08 / 阅读(90) / 评论(0) 分类 自然百科2012年

[00:01.50]So what is the future [00:03.66]of the exploration of Mars? [00:06.13]In 2014, the first return flight is planned, [00:09.71]which means that a space probe [00:11.37]will bring back to Earth samples of Martian [00:13.86]rock and soil.After

发表于:2019-01-10 / 阅读(299) / 评论(0) 分类 北师大版高中英语模块7(选修)

Two Chinese astronauts Jing Haipeng and Chen Dong have spent 33 days in space, marking a new record for China.

发表于:2019-01-19 / 阅读(170) / 评论(0) 分类 2016CRI中国国际广播电台

By Mike O'Sullivan Los Angeles 03 July 2006 A large asteroid, known as 2004 XP14, raced past the Earth early Monday. Scientists say it posed no threat to the planet, but serves as a reminder of the hazards encountered in space. -------- The rocky sp

发表于:2019-01-20 / 阅读(175) / 评论(0) 分类 2006年VOA标准英语(七月)

By Nancy Steinbach Broadcast: July 2, 2003 This is Steve Ember with the VOA Special English Health Report. Lightning is the release of electrical energy in the sky. Lightning can start fires. It also

发表于:2019-01-27 / 阅读(212) / 评论(0) 分类 VOA2003(下)-环境与健康

China's unmanned lunar probe Chang'e-5, set to be launched around December 2017, will bring lunar soil samples back to Earth, says Wu Yanhua, deputy chief of the China National Space Administration. 国家航天局副局长吴艳华近日表示,我国

发表于:2019-02-07 / 阅读(85) / 评论(0) 分类 英语新闻

China plans to launch the Chang'e-5 lunar probe at the end of November this year, from the Wenchang Space Launch Center in Hainan, aboard the heavy-lift carrier rocket Long March-5. 我国计划于今年11月底在海南文昌航天发射场用重型运

发表于:2019-02-08 / 阅读(108) / 评论(0) 分类 英语新闻

今天要学的词是go-ahead。 Go-ahead,两个词当中加联接号,go-ahead就成了名词,意思是批准或下令。报导说:The space shuttle Atlantis was given the go-ahead to return to Earth, 亚特兰蒂斯号航天飞机得到命令返

发表于:2019-02-24 / 阅读(111) / 评论(0) 分类 学个词
学英语单词
a.nt
abscess of pharynx
acrobatic
Acronema commutatum
Adakli
AEP
aperiodic disturbance
Aradoidea
aslan
autoregressively
Bicaz Res.
block-pulse operation
blown her own trumpet
business relation
carousel buoy-floating barge
cholerythrogen
cmpt
color concentrate
compound telescope
currency convertibility
data exchange gateway
deep fried spring chicken
Delaval centri-therm evaporator
deproteinized
dictionary automatic
dicynodontids
dry-waller
Duval
exfuse
fine art
fish-mouth joint
flowing steam sterilization
foreign currency translation risk
full circulating operation
granitational equilibrium
Gymnorhina
Hell-no
humeral suture
hyperasthesis
hyperesthesias
immunopotent
in-country
infrared beacon
initial viscosity
inoviruses
instinctual
isodextrosamine fructosamine
jessica alba
jiza (al jazah)
kallman
kamerlingh onnes
labthe
lighting compensator
mescaleros
methylchloride
midget lightship
military delegate
MILLEPOOOORIDAE
multichannel monitoring system
murrows
mushy consistency of concrete
NAVRADLDEFLAB
neural coding
offence against the law
Old Fort
on hook signal
ophthalmic tests
Orthodoxy, Feast of
overamplifies
palatographically
party-centered campaign
plant parasite
pussyfuckers
realtime guard
saddling with
scanheads
schriesheimite
scolopendriums
screw-in type thermometer
seismic event
serpentinize
signal quality error SQE
sliding safety factor
software-based
sonic sifter
spin-onl value
spondylosyndesis
standing resolution
subnumber
subsalicylates
superregenerative detector
T-FF
tidesmen
top and tail
ucero
unproductive labour
unrestituted
vena superior vermis
visual tension
Wang, Mae Nam
work specialization
working flow