空间碎片环境

THE PRESIDENT: Good morning. This weekend, I will join millions of Americans in one of our favorite national pastimes: fishing. I'm going to be on the Chesapeake Bay. For those who love fishing, the most important thing is not the size of your catch

发表于:2018-12-05 / 阅读(103) / 评论(0) 分类 美国总统电台演说

Scientists Deliberate Cleaning Space Junk WASHINGTON Everything that we launch into an orbit around the earth eventually becomes space debris. Scientists say the increasing number of unusable objects circling our planet is threatening functioning sat

发表于:2018-12-08 / 阅读(92) / 评论(0) 分类 VOA标准英语2014年(六月)

UN: Plastic Accounts for $13B in Damage to Marine Habitat As World Cup play continues across Brazil, the country is gearing up to host the 2016 Summer Olympic Games. Among the concerns is that the sailing venue near Rio de Janeiro is too polluted to

发表于:2018-12-16 / 阅读(89) / 评论(0) 分类 VOA标准英语2014年(七月)

Have Scientists Discovered a Radio Space Shield? Space, it turns out, is not a very safe place for electronic devices. High-energy space particles can cause serious problems for satellites and electronic equipment, even on the Earths surface. These p

发表于:2019-01-03 / 阅读(138) / 评论(0) 分类 2017年VOA慢速英语(十一)月

Kenya Becomes Latest Country to Ban Plastic Bags Kenya has joined the growing list of countries to ban plastic bags. A new Kenyan law bars the production, sale and even use of polythene plastic bags. People caught breaking the law may be fined up to

发表于:2019-01-03 / 阅读(100) / 评论(0) 分类 2017年VOA慢速英语(九)月

Broadcast: Feb 01, 2003 The U.S. Space Shuttle Columbia broke apart in mid-air Saturday minutes before it was to return to Earth. The U.S. space agency, 1) NASA, says none of the seven astronauts aboa

发表于:2019-01-07 / 阅读(193) / 评论(0) 分类 VOA2003(上)-科技先知

By Kent Klein Washington 03 June 2008 Astronauts at the International Space Station have attached a $1 billion Japanese laboratory to the orbiting outpost. During a space walk Tuesday, mission specialists Michael Fossum and Ronald Garan unlocked the

发表于:2019-01-11 / 阅读(142) / 评论(0) 分类 VOA标准英语2008年(六月)

AS IT IS 2014-07-10 Plastics Blamed for Harm to Sea Environment 塑料对海洋环境造成严重危害 A new report says plastics are responsible for $13 billion in damage to the oceans and the undersea environment. The findings were announced recen

发表于:2019-01-12 / 阅读(119) / 评论(0) 分类 2014年VOA慢速英语(七)月

It is hard to imagine, but it could happen anywhere in the world - an atomic blast set off by terrorists. The U.S. military is training for that possibility in the United States. More than 3,000 Army troops and National Guard - the state militias - a

发表于:2019-01-13 / 阅读(98) / 评论(0) 分类 VOA标准英语2010年(七)月

AILSA CHANG, HOST: A prototype space station, put into orbit by China, will soon be falling back to Earth. It is the size of a city bus. No one knows where parts of it will land although regions of the continental U.S. are in the potential crash zone

发表于:2019-01-16 / 阅读(128) / 评论(0) 分类 2018年NPR美国国家公共电台3月

Every year satellites are damaged or destroyed by objects orbiting the Earth's atmosphere. An Australian company is now using the latest laser technology to track these objects in order to reduce cosmic damage. Li Dong has the details. Even in space,

发表于:2019-01-19 / 阅读(154) / 评论(0) 分类 世界各地新闻集锦

By Robert Raffaele Washington, DC 05 July 2006 watch Discovery Liftoff report Shuttle Discovery launch NASA successfully launched the space shuttle Discovery Tuesday, after two previous launches were scrubbed due to bad weather in the southeastern U

发表于:2019-01-25 / 阅读(193) / 评论(0) 分类 2006年VOA标准英语(七月)

BEIJING, Sept. 6 (Xinhuanet) -- The amount of space junks floating in Earth's orbit has reached a critical level, warned scientists. The future space missions may become too dangerous to fly for a risk of colliding with space junks, said a report rel

发表于:2019-02-03 / 阅读(83) / 评论(0) 分类 英语新闻

BEIJING, Sept. 2 (Xinhuanet) -- The amount of space junk orbiting the Earth could cause fatal leaks in spaceships or destroy valuable satellites, according to a report released by the U.S. National Research Council. Computer models have shown that th

发表于:2019-02-05 / 阅读(123) / 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(97) / 评论(0) 分类 VOA常速英语2008年(二月)

Manned space program's Meridian Project operational BEIJING, Oct. 23 (Xinhua) -- The Meridian Project, a massive scientific research project that will monitor weather in space, became fully operational on Tuesday. The Meridian Space Weather Monitorin

发表于:2019-02-07 / 阅读(156) / 评论(0) 分类 英语新闻

By Brian Wagner Miami 23 October 2007 The space shuttle Discovery has launched from Kennedy Space Center on a two-week mission to the International Space Station. VOA's Brian Wagner reports the seven astronauts on Discovery will deliver a new module

发表于:2019-02-08 / 阅读(154) / 评论(0) 分类 2007年VOA常速英语(十月)

TOKYO, March 11 (Xinhua) -- Japan and the United States on Monday held their first meeting of the Comprehensive Dialogue on Space and agreed to cooperate in monitoring ships from space, local media report. In a joint statement after the meeting, the

发表于:2019-02-08 / 阅读(146) / 评论(0) 分类 英语新闻

Part 3. Compton Gamma Ray Observatory. Keywords. ailing observatory, orbit, gamma rays. Vocabulary. debris, thruster, gyroscope, bathe, stream from, Compton Gamma Observatory, Goddard Space Flight Center. Now listen to a news report, complete the new

发表于:2019-02-15 / 阅读(114) / 评论(0) 分类 Step by Step 3000 第二册

The space lecture featured a QA session towards the end. Students questions ranged from what space looks like from Tiangong-1 to what problems the human body has faces in space. One of the students asked if the astronauts can see space junk and how S

发表于:2019-02-18 / 阅读(242) / 评论(0) 分类 CCTV9英语新闻2013年07月
学英语单词
a cat
Actinoscirpus
address-only cycle
Albigensianism
amylacetylene
angerly
asynclitic
back-to-back letter of credit
bilbaocatch
bitangent developable surface
blepharismin
butylic fermentation
cash issue
casualty category
chamotte brick
channel waiting queue
cloudprojector
commoditisations
concrete verb
conednsation-type pressure suppression system
constant composition index
coppolani (jreida)
dioctyl (o-)phthalate
direct method of account current
disinfested
dries out
ductuli aberrans superior
dynamic linker
employment all will
entrup
Eudactylinidae
exploratory mission
flush plate switch
fractional catabolic metabolism rate
fuel purification unit
garments
Gilbert Seamount
gouged
have the custody of
havenage
head the sea
heated up
higher-value
hydro-sand blasting
hypothecation agreement
hysteropnix
infectious agent
interspire
laminated water-proof fabric
LARPed
lead ocher (massicot)
lick off
mackenzi
maximum type
migliaccio
misprisions
mole number
molinia meadow
myomycin
Myricaceoipollenites
oblique interference figure
operating supervisor
padgett
photogrametry
potassium thorium phosphate
pyramica mutica
Quick Disconnect Coupling
reaction of the second order
red lead ore
restrictionless
ring-type briquetting machine
satyrichthys amiscus
scamper through
settling area
shaft revolution detector
signing bonus
silky terriers
Simozonotriletes
Sirgaon
sovietdom
spectro-microscope
stand by sb's side
stretch-draw dies
target-tracking laser radar
Te Waewae B.
tellite
Themar
theory of macroeconomic policy
thermosiphonthermotank
three phase generators
tomkey
toru
tritheites
user community
video-makers
Villa Ana
voir dires
Wendlandia brevituba
West of England
withdrawal resistance
wrieson
Xanthippic