空间等离[子]体

Scientists Improve Space Weather Forecast Accuracy 科学家改进空间天气预报准确性 At one time, scientists thought the space between Earth and Sun was a vacuum . But we now know that the su

发表于:2018-11-29 / 阅读(141) / 评论(0) 分类 VOA2005(下)--环境科学探索

The key difference of course is that a sunspot's 最关键的不同点在于太阳黑子 an awful lot bigger and so the total energy, 大得多,所以太阳磁场内 or the amount of energy in the magnetic field 所含的总能量大得惊人 on th

发表于:2018-12-07 / 阅读(134) / 评论(0) 分类 太阳科普

Now the speed of light is a very,very big number. 光速是个很大的数字 So if we just take a small amount of mass, 所以只要一点点质量 you get a huge amount of energy. 就含有大量能量 And that's the energy which actually powers ou

发表于:2018-12-07 / 阅读(141) / 评论(0) 分类 太阳科普

Plasmas I always like to think of as being like naughty children. 我一直觉得电浆就像调皮的小孩 They're full of energy and they are, 充满了能量,随时随地都想捣蛋 want to misbehave and it's ourjob to try 我们的工作就是

发表于:2018-12-07 / 阅读(119) / 评论(0) 分类 太阳科普

VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Shirley Griffith with EXPLORATIONS in VOA Special English. This week, we hear some unusual sounds from space. Scientists created them by taking radio wave observations and turning them into sound waves

发表于:2018-12-15 / 阅读(61) / 评论(0) 分类 VOA慢速英语2008年(一)月

When youre looking for a table in a crowded cafeteria, you probably give wide berth to the family that sounds like its sharing a big dish of whooping cough. Well, not if youre a house finch, particularly a male. Because a study in the journal Biology

发表于:2018-12-24 / 阅读(78) / 评论(0) 分类 Scientific American(二)月

The Sneaky Danger of Space Dust暗藏威胁的太空微尘 Aside from all the satellites, and the space station orbiting the Earth, there's a lot of trash circling the planet, too. Twenty-one thousand baseball-sized chunks of debris, according to NAS

发表于:2018-12-24 / 阅读(63) / 评论(0) 分类 2017年科学美国人(五)月

This is Scientific American 60-Second Science, Im Cynthia Graber. This will just take a minute. Heres one space mission that is definitely going to be unmannedNASA is going to the sun. The Johns Hopkins University Applied Physics Laboratory is buildi

发表于:2019-01-08 / 阅读(108) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? After a bad day at the office, were more likely to flip on a nature channel than find a flower-filled meadow or sunny beach to lower our stress. But if you cant head

发表于:2019-01-08 / 阅读(95) / 评论(0) 分类 Scientific American(七)月

上述10项是绝大多数英文药品说明书中必备项目,但是许多说明书中还常常出现其他一些项目。例如: 1、特点(Characteristics) 2、性质(Properties) 3、药代动力学(Phamacokinetics) 4、用药过量(

发表于:2019-01-08 / 阅读(100) / 评论(0) 分类 医学英语

第二节 性状 许多药品说明书的第一项是Description(性状),其原意是叙述、描写,在药品说明书及药典中一般都译为性状,其内容主要是介绍外观、理化性质、组成成分、结构、特征等。这一

发表于:2019-01-08 / 阅读(138) / 评论(0) 分类 医学英语

Space Shuttle's End Prompts Doubts About NASA's Future One day after the landing of Atlantis ended the 30-year space shuttle program, the company that ran shuttle operations for the U.S. space agency NASA is dismissing 1,510 employees. The end of the

发表于:2019-01-13 / 阅读(63) / 评论(0) 分类 VOA标准英语2011年(七月)

查看译文 tips: 怎样阅读才是有质量的阅读了? 中英对照请点击【中英对照】查看译文请点击 【查看译文】进行核对。 The Biggest Magnet 最大的磁体 A: Whats the biggest magnet ever? B: Well, that's a great

发表于:2019-01-26 / 阅读(87) / 评论(0) 分类 英语听力文摘 English Digest

好吧 Well... -那我该给克瑞普克下毒 -不 - I suppose I could poison Kripke. - No! 不 这其实很简单 No. It's a simple matter. 有那么几种有毒化学物 There are several toxic chemicals 尸检是查不出来的 that'd be untracea

发表于:2019-01-28 / 阅读(107) / 评论(0) 分类 生活大爆炸第三季

BEIJING, Dec. 11 (Xinhua) -- China is faced with severe challenges in collecting enough blood plasma to produce medicines, Health Minister Chen Zhu said Sunday. Chen called on the public to join blood donation after donating blood plasma at the Beiji

发表于:2019-02-07 / 阅读(97) / 评论(0) 分类 英语新闻

By Michael Bowman Washington 12 June 2008 The U.S. space agency is planning to send a probe to the sun to gather data and shed light on basic questions about how the star operates and its effects on Earth. VOA's Michael Bowman reports from Washingto

发表于:2019-02-08 / 阅读(84) / 评论(0) 分类 VOA标准英语2008年(六月)

You might not realise it, but sending even a short email has an impact on the environment. 你可能没有意识到,即使是发送一封小小的邮件也会对环境产生影响。 Scientists estimate that an email adds about four grams (0.14 oun

发表于:2019-02-08 / 阅读(129) / 评论(0) 分类 阅读空间

One of my favorite examples of liminal excellence comes from the late Dr. Claudia Alexander, 我最欣赏的一位具有交叉才能的榜样是已故的克劳迪娅亚历山大博士, a black woman plasma physicist, who passed away this past July

发表于:2019-02-13 / 阅读(97) / 评论(0) 分类 TED演讲国际问题篇

Listen to the statements and check the correct answers. 1.Is sweeping out the tiny dust bothering you a lot? From now on if you have this machine, doing the housework will become a very easy job. This is a portable vacuum cleaner. lt's light and wire

发表于:2019-02-17 / 阅读(84) / 评论(0) 分类 英语听力练习题

CHENGDU, May 5 (Xinhua) -- Chinese Health Minister Chen Zhu donated plasma on Saturday in Chengdu, capital of southwest China's Sichuan Province, and called on health workers to take the lead in blood donation to ease the country's blood supply short

发表于:2019-02-18 / 阅读(102) / 评论(0) 分类 英语新闻
学英语单词
accessory shoes
anagrammatism
anthallan
back-slabs
be an improvement on
bedding surface
Berezayka
black dwarf
blue straggler
brass red
broken blade
carbamic acid methyl ester
catheterizable
collecting ditch
compartments
correlate(with)
critical control point
crystalline matrix
cueto
deck paving
digital information display
dimethane sulfonoxybutane
dimethylfurans
din ... into
displaced air
DS36
envirtue
Eriscel
folz
fruit-stones
government reshuffle
graphical interpretation
gynodioecism
hand letters
hautely
Helmeroth
high field domain luminescence
hum level
hyperdorisms
hypocrinism
image storage tube
information control
kanaster
Khorintsy
law of refraction
Liu Kunyi
liver drug enzyme
long laid rope
Magnesio-Astrophyllite
masticin
maximum turning length
meal lattice work
mechanical-impedance
megalurothrips distalis
melitten
Memoir Grassland Research Institute
Mex.
modulation degree measurement
modus ponens
nervus recurrens
net surplus
nuclear-energy plant
Nzérékoré
one-writing system
panaritium
pandours
Parafilaroides
parameter gain
pavonis
pile yarn
polyarthric
position gyro
Pretelt
propagate
propagation forecasting
property inheritance
Ranvier's plexus
ratless
Republic of Suriname
rolled concrete
saxelbies
Sclavonians
selected area diffraction
sensa
single-phase low frequency AC system
sky-gazer
slanderously
soft tissue infection of neck
sorbile
spurted out
Stenopterygii
step-mom
strontium white
tenaphalara acutipennis
teru-tero
three-stater
tonic labyrinthine reflexes
wage war
war bonds
Waroona
Which one would you like
whistle blowers