音标:[ə:θ ˈætməsfiə ˈsistəm ˌreidiˈeiʃən ˈbʌdʒit] ;
地气系统辐射收支

[00:00.00]When the spaceship was doing its seventh circle [00:03.54]Yang Liwei showed the flags of China [00:05.67]and the United Nations, [00:07.43]expressing the wishes of the Chinese people [00:09.64]to explore and use space peacefully. [00:13.21]

发表于:2018-12-04 / 阅读(197) / 评论(0) 分类 北师大版高中英语模块1

[00:02.25]第八单元 课文A [00:04.49]Telecommunication via Satellite [00:06.71]卫星通信 [00:08.93]At the beginning of the twentieth century, [00:11.31]20世纪初 [00:13.69]there were four powerful means of transmitting and receiving information [00:17.37

发表于:2018-12-04 / 阅读(76) / 评论(0) 分类 大学英语自学教程上

Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J

发表于:2018-12-07 / 阅读(216) / 评论(0) 分类 (科普英语)Earth and Sky

诸多线索综合起来为我们描绘出一幅画面:那是火星遥远的过去,那时的火星还有着一层厚厚的大气层,令这颗星球温热暖和,从而使水能够在火星表面流淌。但如今,地表的水消失不见,而

发表于:2018-12-07 / 阅读(101) / 评论(0) 分类 60秒科学

EXPLORATIONS - Ancient Martian Conditions Could Have Supported Life From VOA Learning English, this is EXPLORATIONS, in Special English. Im Kelly Jean Kelly. And Im Christopher Cruise. Today we report on recent scientific findings about the planet Ma

发表于:2018-12-07 / 阅读(64) / 评论(0) 分类 2013年VOA慢速英语(三)月

Sunscreened Plants 遮光植物 A NASA researcher is finding that alfalfa plants grow more poorly when exposed to UVB -- ultraviolet B radiation from the sun. Learn more about sunscreened plants -- today on Earth and Sky. JB: This is Earth and Sky. Eart

发表于:2019-01-02 / 阅读(158) / 评论(0) 分类 (科普英语)Earth and Sky

Forests and CO2 森林和二氧化碳 The amount of fossil fuel emissions released into the atmosphere has steadily risen since the Industrial Revolution. But recently, part of those emissions have been disappearing. Learn more about forests and CO2 -- on

发表于:2019-01-02 / 阅读(171) / 评论(0) 分类 (科普英语)Earth and Sky

Aqua Technology 水资源监测科技 A new weather-monitoring satellite has been 30 years in the making, and some researchers think it's worth the wait. We'll speak with a scientist about the Aqua satellite -- on today's Earth and Sky. DB: This is Earth a

发表于:2019-01-02 / 阅读(164) / 评论(0) 分类 (科普英语)Earth and Sky

The clues are adding up to give a picture of a distant Martian past, when the planet had a thick atmosphere that was warm enough for water to stream on the surface. But now the waters gone, and the atmosphere is so thin that any water would boil away

发表于:2019-01-08 / 阅读(91) / 评论(0) 分类 Scientific American(十)月

AS IT IS 2013-06-14 NASA Scientists Still Dream of, and Plan for, Human Travel to Mars From VOA Learning English, this is As It Is. Welcome back. Im Caty Weaver. On the show today, we look into the future of space exploration. The American space agen

发表于:2019-01-12 / 阅读(69) / 评论(0) 分类 2013年VOA慢速英语(六)月

Juno Spacecraft Enters Jupiter Orbit 朱诺号探测器进入木星轨道 American scientists cheered loudly as their spacecraft, called Juno, entered Jupiters orbit Monday night. Juno, welcome to Jupiter! The scientists are with the U.S. space agenc

发表于:2019-01-12 / 阅读(53) / 评论(0) 分类 2016年VOA慢速英语(七)月

Addressing Climate Change through Diet A new study says one of the best ways to curb greenhouse gas emissions is to eat less meat. In fact, the study says meat consumption in the developed should be cut by 50 percent per person by 2050. Meat producti

发表于:2019-01-13 / 阅读(87) / 评论(0) 分类 VOA标准英语2012年(四月)

PlummetingUSSatellitetoHitEarthFriday NASA launched the Upper Atmosphere Research Satellite (UARS) 20 years ago this month. And now that bus-sized satellite is plunging toward Earth. Mark Matney, an orbital debris scientist at NASA's Johnson Space Ce

发表于:2019-01-13 / 阅读(72) / 评论(0) 分类 VOA标准英语2011年(九月)

LOS ANGELES, June 24 (Xinhua) -- Near-Earth asteroid 2011 MD will whip past Earth on June 27, but will not pose any threat, NASA's Jet Propulsion Laboratory (JPL) said on Friday. The asteroid will pass only 12,000 kilometers (7,500 miles) above the E

发表于:2019-01-20 / 阅读(111) / 评论(0) 分类 英语新闻

The solar system is a hostile place. Earth is under attack from deadly cosmic radiation. Life here is only possible, because it's protected by the magnetosphere, an invisible force field that cocoons the planet. But new evidence reveals that this vit

发表于:2019-01-22 / 阅读(84) / 评论(0) 分类 自然百科2011年

As the reversal approaches, the decay of our magnetic field will continue and cosmic radiation will get increasingly close to the Earth's surface. As the reversal approaches, the decay of our magnetic field will continue and cosmic radiation will get

发表于:2019-01-22 / 阅读(82) / 评论(0) 分类 自然百科2011年

In polar regions where the magnetic field is / weakest, auroras glow in the sky. These dazzling displays of colored lights form when solar particles slam into gases in our atmosphere causing them to glow. The stronger the solar wind, the more dramati

发表于:2019-01-22 / 阅读(89) / 评论(0) 分类 自然百科2011年

Blockson's computer model reveals that at the South Atlantic Anomaly, the magnetic field isn't just weaker than anywhere else on the planet. It's actually reversed polarity. There is a patch on the core in the South Atlantic where things are not poin

发表于:2019-01-22 / 阅读(90) / 评论(0) 分类 自然百科2011年

Earth's Fried Far-Future Postponed A study in the Proceedings of the National Academy of Sciences adds at least a billion years to the already far-future estimate of when the sun will make Earth too hot to handle. Karen Hopkin reports. [The followin

发表于:2019-01-30 / 阅读(112) / 评论(0) 分类 60秒科学

From VOA Learning English, this is As It Is. Welcome back. Im Caty Weaver. On the show today, we look into the future of space exploration. The American space agency NASA has announced plans for a new effort to study the sun. And, NASA scientists are

发表于:2019-02-16 / 阅读(76) / 评论(0) 分类 英语语言学习
学英语单词
3-hydroxypropyl methacrylate
actual presence
adelomorphous
air damping balance
al-tariq
amandone colours
articulus cricothyreoideus
ask sb a question
atomic resonance
avocado extract
balancer 3-phase system
Ban Ngon
band conveyer
basifixed anther
Bear Flag
blade tip velocity
blow away
bondage and discipline language
Bonīābād
bouguereaux
bromsulphalein
bubble disengagement
bufty
cacergasia
cam disk
cirrocumulus stratus
civil disobedience
connected sequence
counsellees
court-house
current in branch circuit
Desmodium renifolium
diagonalised
die steel
diphtheritic cystitis
dissemination of fluidizing air
endomorphism ring
eosinophil(e)
farmland drainage
fat-like
fixed-format message
flat-sheet material
FMEA (failure modes and effects analysis)
genus Portulaca
gisar
gold(iii) sulfide
groundwater pressure
grow saplings
hadrosauriforms
half cent
Hayem's icterus
high speed launch
hypochordal fin fold
I'm bleeding
Indigo child
inversion symmetry
kutahyas
L.D.
lady of easy virtue
Lithocarpus talangensis
load the bases
magnetic tools
matejka
misomusist
molar heat capacity
most an end
muckerism
museum of modern art
oil jacked bearing
on the sly
overglanced
plutonium(iii) iodate
political campaigns
pottery tissue
put someone in the cart
reaction-times
redisposition
revenson
rubiscos
sanitary hulk
sciadopityss
separable sum approximation
SHSAT
soda metasomatism
stamp your foot
stipolac
terrassa
test plate
This is my first year of college
transient dynamic
U.N.L.
Ulmus elongata
unbridling
unquantized
Velpeau's fossa
vesical rupture
wadmal, wadmaal, wadmol, wadmoll
whbq
wheel scanning horizon sensor
workbases
Wulff process
xenobiotic pollutants