z-形星云

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(170) / 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(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

96

发表于:2019-01-02 / 阅读(324) / 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(179) / 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

Fins 鱼鳍 Fish can swim well with their fins in water. 鱼因为有鳍能在水里畅游。 Also, fish cannot move without fins. 相反的,没有鱼鳍,鱼就不能游了。 Do you know that different fish have different shapes of fins? 你知道

发表于:2019-01-10 / 阅读(152) / 评论(0) 分类 与美国小学生一起学英文第6册

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

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

pear-shaped的本义是“梨形的、底宽顶窄的”,它通常可以引申为另一个意思:“全完了,都毁了”。 这种用法最早出现在20世纪60年代,由英语短语go pear

发表于:2019-02-03 / 阅读(171) / 评论(0) 分类 英文语法词汇

Blimey!这是人们在表示惊讶时常用的表达方式。例如, Blimey! The weathers terrible today! Keep your hair on.你的头发并不是要往哪个方向。 这个表达方式其实是表示保持平静,Keep your hair on. Its an easy pr

发表于:2019-02-04 / 阅读(142) / 评论(0) 分类 实用英语

source lake 河源湖 rivulet 小溪 creek, brook 小河 canyon, gorge 峡谷 waterfalls 瀑布 tributaries, streams 支流 rapids 急流 valley 流域 north fork 北叉 branches 分支 south fork 南叉

发表于:2019-02-05 / 阅读(139) / 评论(0) 分类 英文语法词汇

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
a turn of the screw
adaptive search plan
aitches
aldoalcoketose
Alolya
aneroids
Archichaetopoda
average flow
Bacillus larvae
broadcasting-studio
Brookfield Zoo
camphorous
Cercospora leaf spot of rice
Chorizagrotis auxiliaris
committee for economic development
communication(s) theory
core secondary support
data error analyzer
de-food
debtor nation
directly to advanced study
dominate genes
drilling monitor system
dutch-angle shot
ectoentad
embroidery gauze
euphorbia lunulata bge.
exact from
excelle
fallout damage
federal extension service
feryage
fire salamander
fistula nerverum
flow insensitive problem
gai chois
grobler
half-way
high temperature refractory
high-pressure syringe
hot-air plant
huegelite
hydraulically smooth wall
i-tan
Illich
in faith
ingmen
injectively
instrument observation
Klaeng
land equalization system
larch forest
lazy 8
lost-call probability
low-level formatting
Lutzen
major-league team
marginal data
mastogloia corsicana
mechanical control
medocs
meleagrididaes
method of projection
monkey boys
monolete
nabor
nanoengineered
Obeliai
octahedral axis
paintier
pentagrid of converter
Perm'
Philadelphia cocktail
Phlebotomus kachekensis
pneumatic hand-sprayer
pre-spotting
prebreaded
quotient extension
range disk operating statement
reinforcing bead
remeron
rifampicins
ring screw gauge
royal-blue
scavagers
Seriphidium schrenkianum
short staff
static permittivity
stationary prices
stir-frying with adjuvants
temporary version
thromboplastic
tip chord
tiron
total proctectomy
tower loader
traditionarily
truth-teller
unclear reaction
water purification structure
zero-level channel