音标:[ˈgæsi:əs ˈnebjələ] ;
气体星云
词型变化:名词复数形式 : gaseous nebulas
【近义词】

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(455) / 评论(0) 分类 VOA2005(下)--环境科学探索

Opponents of the Venezuelan government have promised to continue street protests aimed at forcing out President Nicolas Maduro. The opposition warning came a day after at least two people were killed and hundreds arrested in Venezuelas largest anti-g

发表于:2018-12-07 / 阅读(349) / 评论(0) 分类 2017年VOA慢速英语(四)月

NASA's Juno Spacecraft Shows the Makeup of Jupiter Scientists are finding that the inside of Jupiter is just as interesting as the part of the planets atmosphere that we can see. At the center of the planet is a liquid mixture of the elements hydroge

发表于:2018-12-08 / 阅读(348) / 评论(0) 分类 2018年VOA慢速英语(四)月

This is Scientific Americans 60-Second Science. Im Adam Hinterthuer. Got a minute? If there's a line in Vegas on the odds of life on another planet, now might be a good time to place a wager. A study in the journal Science examined 166 Sun-sized star

发表于:2018-12-24 / 阅读(359) / 评论(0) 分类 Scientific American(十)月

NASA's Juno Spacecraft Shows the Makeup of Jupiter Scientists are finding that the inside of Jupiter is just as interesting as the part of the planets atmosphere that we can see. At the center of the planet is a liquid mixture of the elements hydroge

发表于:2019-01-03 / 阅读(348) / 评论(0) 分类 2018年VOA慢速英语(四)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. If youve ever wondered where the Earth came from, the answer, it seems, is blowin in the windthe solar wind. Or so say scientists who, after examining sola

发表于:2019-01-08 / 阅读(409) / 评论(0) 分类 Scientific American(七)月

反射星云是靠反射附近恒星的光线而发光的,呈蓝色。反射星云的光度较暗弱,较容易观测到的例子是围绕着金牛座M45七姊妹星团的反射星云,在透明度高及无月的晚上,利用望远镜便可看到

发表于:2019-01-08 / 阅读(577) / 评论(0) 分类 托福英语

Flatulence, or passing gas, is a normal daily phenomenon. 胀气,或者放屁,是正常的日常现象。 Most individuals, yes, that includes you, 大多数人,是的,这包括你, will make anywhere from 500-1500 milliliters of gas and ca

发表于:2019-01-17 / 阅读(417) / 评论(0) 分类 TED演讲教育篇

The Aeneid by Virgil 《埃涅阿斯纪》维吉尔 Mark first read the Aeneid while he was studying Latin in high school, and he recountedthe story of Aeneass quest and his desire to build a city that, he said, quoting the text in English, knows no

发表于:2019-01-17 / 阅读(351) / 评论(0) 分类 阅读空间

And then our mothers tell us, Careful you don't fall down, because you'll fall over. 然后母亲告诉我们,没有跌倒也要小心,因为你还会掉下来。 Now, go into the real atmosphere of this planet. 现在,进入这个行星真正的

发表于:2019-01-18 / 阅读(406) / 评论(0) 分类 TED演讲娱乐篇

Part III A New Age Dawns 第三部 一个新时代的黎明 A Physicist is the atoms way of thinking about atoms. -Anonymous 物理学家就是以原子的方式来考虑原子的人。无名氏 8 Einsteins Universe 第八章 爱因斯坦的宇宙 As

发表于:2019-01-29 / 阅读(451) / 评论(0) 分类 万物简史

For a long time the Big Bang theory had one gaping hole that troubled a lot of peoplenamely that it couldn't begin to explain how we got here. Although 98 percent of all the matter that exists was created with the Big Bang, that matter consisted excl

发表于:2019-01-29 / 阅读(334) / 评论(0) 分类 万物简史

The Aeneid by Virgil 《埃涅阿斯纪》维吉尔 Mark first read the Aeneid while he was studying Latin in high school, and he recounted the story of Aeneass quest and his desire to build a city that, he said, quoting the text in English, knows no

发表于:2019-02-01 / 阅读(453) / 评论(0) 分类 阅读空间

天文学在我们听力讲座里面算是出现频率较高的话题了,在目前所有的176篇讲座里一共有14篇天文学类的文章,且都是比较有难度的,可以说,天文学类算是我们讲座里的一个重点也是难点了。

发表于:2019-02-09 / 阅读(404) / 评论(0) 分类 托福英语

How old is the Earth? 地球的年龄有多大? Well, by counting the number of isotopes in a sample of rock that's undergone radioactive decay, 通过对岩石样品中正经历着放射衰变的同位素计数, geologists have estimated the Ear

发表于:2019-02-13 / 阅读(372) / 评论(0) 分类 TED演讲教育篇

It looks like a hand of God reaching out into the cosmos, but NASA says the display is caused by a young and powerful pulsar. Taken by NASA's Chandra X-ray observatory from it's orbiting 360 miles above the Earth, the recently released photo of Pulsa

发表于:2019-02-16 / 阅读(401) / 评论(0) 分类 实用英语

19 The Rise Of Life 第十九章 生命的起源 In 1953, Stanley Miller, a graduate student at the University of Chicago, took two flasksone containing a little water to represent a primeval ocean, 1953年,芝加哥大学的研究生斯坦利米勒拿

发表于:2019-02-17 / 阅读(438) / 评论(0) 分类 万物简史

常用句型科技文章中经常使用若干特定的句型,从而形成科技文体区别于其他文体的标志。例如Itthat结构句型;被动态结构句型;结构句型,分词短语结构句型,省略句结构句型等。 举例如下

发表于:2019-02-18 / 阅读(462) / 评论(0) 分类 英语口译

17 Into the Troposphere 第十七章 进入对流层 Thank goodness for the atmosphere. It keeps us warm. 谢天谢地,我们有了大气。它使我们有了个温暖的环境。 Without it, Earth would be a lifeless ball of ice with an average te

发表于:2019-02-25 / 阅读(403) / 评论(0) 分类 万物简史

furthermore ad.而且,此外 furthest a. 最远的,最遥远的 fuse n.保险丝,导火线 future n.将来,未来 gain vt.vi.获得 n.利益 gallery n.长廊,游廊;画廊 gallon n.加仑 ga

发表于:2019-03-04 / 阅读(654) / 评论(0) 分类 考研英语
学英语单词
-icity
active ferment
Adowakrom
air movable supplies
American devil
ampere conductor
anorthoscopic
appreciational
aqua compound
arylamine
ascending
banded pack
be ill disposed to
beatifically
bevel angle
calcium santonate
cambric tape
camfering
chlorazol fast bordeaux
coconut juice
come back to me
compare test
congenital amputation
degeomorphization
DGV
drip edges
dropped fuel assembly
dynamic cross-section relation
environmental economic system
ex-partner
far-reaching designs
flypaper theory
foul-up
frustrating
genus doodias
give face
gossyplure
gravitational flux density
halloun
heat loss due to exhaust gas
hexametre
high temperature test chamber
hoccleves
Hook-lever
hourly cooling load
hue and cry
ice-fishermen
import substituting
ingrowing nail
intraprocessor interrupt
jiggety
kinetic sculpture
land-barometer
lomariopsis leptocarpaf'ee
long milk tube
luringly
made their mark
magnatraction
magnetic point
massifier
mat paper
maximum heat load
meek as a as a maid
mihirs
Mizuno
Morgongåva
murky
murrelets
Myers-Wardell's method
natural infancy
Nettlespurge
newlings
non-periodic production
official quotations
or whoever
order statistics method
Party on!
pe-wee
pedantocrat
pirodomast
placitus
Potamogale
preset count
pucciniastrum pyrolae
punudos
quarken
residual matrix
self-soured casein
semangats
Semlevo
simultaneous eigenstate
Slovakish
stripper plate
struct ideals algebra
terminal electron acceptor
the simple present
to-broken
underground water tank
vibrating conveyer
volcanic ashes archaeology
wingless agamic female
Yaqui River