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(203) / 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(165) / 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(187) / 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(197) / 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(212) / 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(192) / 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(137) / 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(180) / 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(253) / 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(164) / 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(156) / 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(192) / 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(155) / 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(381) / 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(247) / 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(248) / 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(288) / 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(150) / 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(174) / 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(179) / 评论(0) 分类 学个词
学英语单词
a needle in the bottle of haystack
ACABQ
actual delta
advanced contribution
agonistic behavio(u)r
antirust composition
aubusson carpet
band of rotation- vibration
be under an eclipse
Betazine
bicycle parts
brand architecture
by path
carboxylate
cechite
cell liquor head tank
chairman of administration
cheilion
clarno
compound cutting oil
compression work
computer input of japanese characters
concentric stranded wire
construction expenses
core-stock
course session
cross-fall
crown brand
cryptopodia
damages for infringement
database conception structure design
dichloroethylenes
differential meter
Eastford
electric absorption dynamometer
eriophyes brevifarsus fr.
Eunicea
evaporation synthesis
eye-lash
field fire epithelioma
flanking region
flexagons
footrots
fraternal nephew
fresh forage
gameel
genus Diadophis
Gilbjerg Hoved
great ouse
Green Cross Code
gum kino
hand effect
hardening time
horizontal milling
international judicial assistance
international nautical mile
Kaynar
kids' clubs network
Koroikovu I.
Landfall I.
le Chatelier
Le Grand-Geblewics phenomenon
leipers
leucotoxin
liver mortis
main supporting surface
manipulanda
marketing metrics
Mayflower Compact
mdbu
methyl vinyl ether
Mini DisplayPort
nerve block anaesthesia
NSC-164011
o' course
Odizem
peace dove
peptide bonds
preset automatic equalizer
radio phare
reward system on time-rate basis
schematic analysis
slack-jaw
slip nipple
small-denomination
Sonnar lens
span rope
subpilate
table fork
tarily
temperament trait
the-slam
three bearing crank shaft
threedimensional appeal
Tinningstedt
trade restrictions
unhappied
urban ecoeconomics
veterinary pharmacy
water stage measurement
wringed
zirconium alloy