音标:[diˈfju:s ˈnebjələ] ;
弥漫星云
词型变化:名词复数形式 : diffuse nebulas
【近义词】

EDMUND HO REPORTED HIS WORK IN BEIJING Macao's Chief Executive, Edmund Ho, has met top mainland officials for a progress report in a lead up to the territory ’ s handover anniversary on Wednesday. M

发表于:2018-11-28 / 阅读(313) / 评论(0) 分类 疯狂英语2001年

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(169) / 评论(0) 分类 英语励志美文精华

[00:03.89]deed deem deep deepen [00:08.76]n.(已完成的)行为, vt.认为,相信 a.深的,深刻的 v.变深,变浓 [00:13.64]deeply deer defeat defect [00:18.26]ad.深深地 n.鹿 v./n.挫败,战胜n.失败 n.缺陷,缺点 [00:22.88]de

发表于:2018-11-30 / 阅读(186) / 评论(0) 分类 考研英语词汇2005

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(148) / 评论(0) 分类 CNN美国有线新闻2018年6月

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(701) / 评论(0) 分类 新概念英语第四册

Some pairs of words are used interchangeably, even indiscriminately. Often the words in question sound similar, and that creates confusion. Other times they are simply misused so frequentlyowing to their similarity of meaning, despite a nuanced diffe

发表于:2019-01-02 / 阅读(126) / 评论(0) 分类 英语语法 Grammar Girl

96

发表于:2019-01-02 / 阅读(322) / 评论(0) 分类 科技之光

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(178) / 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(161) / 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(261) / 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(131) / 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(222) / 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(136) / 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(149) / 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(131) / 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(135) / 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(166) / 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(131) / 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(176) / 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(124) / 评论(0) 分类 TED演讲教育篇
学英语单词
al-itihaad al-islamiyas
be indignant about sth
Bofors gun
broadband transmission link
bronchi segmentalis basalis cardiacus
cable frogging
cavenger jig
changoite
cliff
close-jointed
cold current
cologne spirits
complete bypass
copper process
cyberbar
Cylas
damp wool
demonizer
depository financial intermediary
dermatological pharmacology
digital phone
diode emitter follower logic
double inlet ventricle
dudester
Dutch rush
elat-
Emergency Alert System
entertainment guide
epichlorite(epichlore)
flexorplasty
free-form mode
gama grass
Hannah Arendt
heat-seeking guidance
heirmologion
high-angle thrust
hydrological station
impact sourcing
infra-axillary
ingressed
initial program load mode switch
iron nickel core
isoflavane
jet-liner
Jucaro
lady's earrings
lamberts b.
Letheringsett
loan translation
Love me love my dog.
lung capacity meter
main plate
measuring column
Milevo
minifications
modal number (white 1945)
narrow band controller
occupational spam
off centered coil
pair of element
panajis
Passive Salvage
pathological biometeorology
peatiness
Percoccide
plasmalemmasome, plasmalemmosome
polysialogangliosides
portreeves
positraction
relaxicons
restrung
retinene reductase
Rhododendron medoense
road crossing signal
Sanak Bank
sandwich testing
Saxicava
semi automatic plating unit
senile insanity
servomotor
shan ku wu
sidlesham
sintered body
site administrator
ST_importance_things-needed-for-a-task
stand in a white sheet
statistical level distribution
steering gear max output torque
steering head bushing
Tamaske
taped out
technopark, techno-park
temporalized
test-bed instrumentation
toborinone
Tongmun-ri
vanterie
weighted average index
windworn pebble
work-situation
Yongnam-ri
zone of action