音标:[ˌekstrəɡəˈlæktik ˈnebjələ] ;
河外星云; 河外星系
词型变化:名词复数形式 : extragalactic nebulas
【近义词】

I Do a Lot of Office Fishing by Richard Salmon Some years ago, I started to look at the stars through high-powered binoculars and began reading books written by astronomers for people like me. I became an entranced stargazer for a while. The men who

发表于:2018-11-30 / 阅读(112) / 评论(0) 分类 英语励志美文精华

Where would you find Grimaldi, Copernicus and the Sea of Clouds? 你会在哪里找到格里马尔迪、哥白尼和云海? The Sistine Chapel, the Circuit de Monaco, the Orion Nebula or the moon? 西斯廷教堂、摩纳哥赛道、猎户座星云还是

发表于:2018-12-02 / 阅读(80) / 评论(0) 分类 CNN美国有线新闻2018年6月

2-11-A Passage 1: Napoleon was many things but he was, first of all, remembered as a military leader. Rising from an artillery officer to the commander of the French army, he waged war after war against neighboring countries. In 1804, he declared him

发表于:2018-12-04 / 阅读(60) / 评论(0) 分类 全新版大学英语听说教程第二册

Lesson 32 Galileo reborn 伽利略的复生 First listen and then answer the following question. 听录音,然后回答以下问题。 What has modified out traditional view of Galileo in recent times? In his own lifetime Galileo was the centre of v

发表于:2018-12-08 / 阅读(635) / 评论(0) 分类 新概念英语第四册

96

发表于:2019-01-02 / 阅读(268) / 评论(0) 分类 科技之光

EXPLORATIONS -May 8, 2002: Hubble's New Camera By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Last week, the

发表于:2019-01-07 / 阅读(87) / 评论(0) 分类 Explorations

This is Scientific American's 60-Second Science. I'm Steve Mursky. Got a minute? Orbiting around stars far far away is sand. Astronomers have found sandy particles circling a pair of stars about 2,400 light years from us. And they think they might be

发表于:2019-01-08 / 阅读(111) / 评论(0) 分类 Scientific American(三)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(91) / 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(200) / 评论(0) 分类 托福英语

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(71) / 评论(0) 分类 阅读空间

Commodity introduction 产品介绍 A: This is my first visit to the Fair. Everything is new to me, so many people and so many showrooms. Mr. Ding, would you please give me some information? 我第一次参加广交会,觉得一切都很新鲜,这么

发表于:2019-01-23 / 阅读(101) / 评论(0) 分类 外贸英语一点通

The reason we can be reasonably confident that such an event won't happen in our corner of the galaxy, Thorstensen said, is that it takes a particular kind of star to make a supernova in the first place. 索尔斯坦森说,有理由相信,这种事

发表于:2019-01-29 / 阅读(80) / 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(61) / 评论(0) 分类 阅读空间

Chinas space program has become the first to land a spacecraft on the so-called dark side of the moon. The landing on Thursday brought the country closer to its goal of becoming a space power. The China National Space Administration said the landing

发表于:2019-02-06 / 阅读(65) / 评论(0) 分类 2019年VOA慢速英语(一)月

编者按: 我的存在有何意义?我也好,我的民族也好,我的世界也好,我们的存在能起什么作用呢? 我生命的旅程向何处延伸,这个问题真的重要吗?是谁主宰着整个宇宙,他在想些什么呢?

发表于:2019-02-11 / 阅读(64) / 评论(0) 分类 英语名篇背诵

Shortly after Copernicus, in the 1580s, an Italian friar, Giordano Bruno, 哥白尼死后不久,在十六世纪80年代,意大利修道士焦尔达诺布鲁诺提出, suggested the stars were suns that likely had their own planets and that the

发表于:2019-02-13 / 阅读(60) / 评论(0) 分类 TED演讲教育篇

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(67) / 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(100) / 评论(0) 分类 实用英语

Now as we pull away from this world -- we're going to keep pulling away from the star now. 现在,我们将视线从这个世界里移出来--我们从这个星球移出来了 One of the things that always frustrated me a little bit about astronomy

发表于:2019-02-21 / 阅读(56) / 评论(0) 分类 TED演讲教育篇

The works of Frederic Chopin, hailed as the poet of the piano, has become representative of Poland's music and cultural products. Those works have greatly impressed a huge number of audiences around the world, especially Chinese people. Famous Chines

发表于:2019-02-21 / 阅读(65) / 评论(0) 分类 2016CRI中国国际广播电台
学英语单词
acronic
alternating current propulsion
aluminium dihydrogen phosphate
applied factory burden
as common as the hedge
atlacomulco
attaintment
authorized capital
bead condensation
Bondil
breached
bushbash
cacalias
calcareous cement
catastrophists
centrifugal potential energy
chemical mediator
civic right
clear hawse pipe
complaint management
consistentwiths
copybook
decidedness
declutters
Donghai Coastal Current
Donnemarie-Dontilly
electronic decelerometer
erizepine
errite
Estonian Sign Language
exchange money
family disruption
fluoroethylene resin
free of particular average English conditions
galactic cosmic radiation
gastrocolic reflex
glow lamps
Gualeguay
haliotis rufescens
herd into
hexa-net
hinghman
Houlka
intermediate spinning frame
investment center
lake st. clairs
latticed dune
leggedness
life time of energy level
lisk
maslows
memory management fault
Michaelmas
Milanaise
millepora dichotoma
milli-mass-unit
multiple address computer
Myurocloda
nightspot
nosogeography
orifice flow
owners
paradoxical pupil phenomenon
percutaneous endoscopic gastrostomy
Pop Idol
prehension (of an animal)hunt for food
Prirechensk
prostatoxin
receptor protein
remote broadcast
renie
rosy view
rotary coordinate system
self-discharging bucket
send control procedure
shared read-only system residence disk
shear rate thixotropy
silodosin
skip out on
slab-column structure
solita
soogee
standard change gear
statement of financial operations
stef
suborder alcyonaceas
support bearing
swineherder
tooth-shell
trichinelloses
tricholomoid
tunnel entrance brilliance
vad-
variable speech control
very large crude-oil carrier
vulcanizing apparatus
water-extractable acid of soil
windthorne
work cloths
work-session-initiation processing level
writ of replevin
yruled