黄纬星体与黄道面的夹角;天球纬度

1. At least seven people have been killed in severe weather that tore through the Midwest. Some of the worst damage was in Parkersburg, Iowa where homes and a high school were destroyed. Forecasters are keeping an eye out for more severe weather tod

发表于:2018-12-15 / 阅读(193) / 评论(0) 分类 美联社新闻一分钟2008年(五)月

以前说过托福听力中的心理学题材,今天小新和大家来说说天文学这个遥远而神秘的话题。 回顾2015年和2016年,天文学在托福考试听力的lecture中,一直稳稳地保持在第三高频的出现次数。有趣

发表于:2018-12-19 / 阅读(120) / 评论(0) 分类 托福英语

托福阅读的问题,归根结底就是读不懂:文章读不懂,或者问题和选项读不懂。一切所谓的解题技巧也是为了帮助我们读懂,而不是在读不懂文章的基础上仍然能够解题。在一篇700多单词的文

发表于:2018-12-19 / 阅读(124) / 评论(0) 分类 托福英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute? For accurate weather forecasting and climate analysis, researchers need the best models possible about how the air circulates above the earth. And a new study is challe

发表于:2018-12-24 / 阅读(139) / 评论(0) 分类 Scientific American(八)月

This is Scientific Ameican's 60-Second Science. I'm Karen Hopkin. This will just take a minute? Forget the meek. If the Earth keeps getting warmer, a recent study shows that its the small that are gonna come out on topat least in the worlds oceans. W

发表于:2018-12-24 / 阅读(121) / 评论(0) 分类 Scientific American(七)月

Next time you need directions, maybe ask an ant. Because these clever little critters are such masters of navigation that some can find their way home whether theyre walking forward, backward, or sideways. Thats according to a study in the journal Cu

发表于:2018-12-24 / 阅读(148) / 评论(0) 分类 2017年Scientific American(一)月

UNIT 3T NATURE( Ⅳ ) WEATHEB Lesson 73 Part Ⅰ UNIT 3T NATURE( Ⅳ ) WEATHEB Lesson 73 Part Ⅰ Warming-up Exercises Pitfalls in Number and Time Recognition 1.The rainy season in this area lasts for

发表于:2018-12-27 / 阅读(135) / 评论(0) 分类 英语听力入门 (全四册)

A Celestial Ambience 劫后余生:巴黎圣母院 As a testament to the correlation between glorious spaces and heavenly thoughts, the Notre Dame de Paris has stood for 750 years as the apex of European religious architecture. Seeking to liberate t

发表于:2019-01-02 / 阅读(124) / 评论(0) 分类 双语有声阅读

One of these wavelengths corresponds to hydrogen, another wavelength would be iron. Another wavelength would be oxygen. And so you go to the part of the spectrum you are interested in and you see you'

发表于:2019-01-02 / 阅读(165) / 评论(0) 分类 火星生命

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar

发表于:2019-01-08 / 阅读(146) / 评论(0) 分类 Scientific American(一)月

Astronomers Are On A Celestial Treasure Hunt. The Prize? Planet Nine SCOTT SIMON, HOST: Astronomers now think they've discovered a new planet in our solar system. All they have to do is find it. NPR science correspondent Joe Palca has been exploring

发表于:2019-01-17 / 阅读(180) / 评论(0) 分类 2016年NPR美国国家公共电台8月

LOS ANGELES, June 24 (Xinhua) -- Near-Earth asteroid 2011 MD will whip past Earth on June 27, but will not pose any threat, NASA's Jet Propulsion Laboratory (JPL) said on Friday. The asteroid will pass only 12,000 kilometers (7,500 miles) above the E

发表于:2019-01-20 / 阅读(158) / 评论(0) 分类 英语新闻

Outside it was not yet dawn, or the lightening before it. Darkness lay soft, thick and very hot over Drogheda. The revels were becoming extremely noisy; if the homestead had possessed next-door neighbors the police would have been called long since.

发表于:2019-01-29 / 阅读(355) / 评论(0) 分类 荆棘鸟

Science and technology 科学技术 Solar physics 太阳物理学 Sun down 落山的太阳 Several lines of evidence suggest that the sun is about to go quiet 证据的一些方式表明太阳即将变平静 spots of bother? 太阳黑子的困扰?

发表于:2019-02-02 / 阅读(163) / 评论(0) 分类 经济学人科技系列

The tropics contain a larger surface area of land than higher latitudesa fact that is not always evident when we examine commonly used projections of Earth's curved surface, since this tends to exaggerate the areas of land in the higher latitudesand

发表于:2019-02-13 / 阅读(128) / 评论(0) 分类 托福英语

The girl put her hand on her fathers head, and reminded him that she had had her big greyhound, Bras, imprisoned all the afternoon, 姑娘将手搭放在父亲额头,父亲想起女儿养的那条格雷伊猎犬布莱丝,那天布莱丝被关了整

发表于:2019-02-13 / 阅读(148) / 评论(0) 分类 美国语文第五册

When the doors of the Asile de Nuit were closed to them, Strickland and Captain Nichols sought the hospitality of Tough Bill. 当夜宿店对他们下了逐客令以后,思特里克兰德同尼柯尔斯船长就在硬汉子彼尔那里找到另外一

发表于:2019-02-21 / 阅读(135) / 评论(0) 分类 月亮和六便士

From ground level to its highest point, the troposphere (or turning sphere) 从地面到最高点,对流层(亦称对流圈) is about ten miles thick at the equator and no more than six or seven miles high in the temperate latitudes where most

发表于:2019-02-25 / 阅读(122) / 评论(0) 分类 万物简史

The chief mate of the Pequod was Starbuck, a native of Nantucket, and a Quaker by descent. 裴廓德号的大副叫斯达巴克,他是个南塔开特土著,也是个桂克的后代。 He was a long, earnest man, and though born on an icy coast, seeme

发表于:2019-03-10 / 阅读(208) / 评论(0) 分类 白鲸记

BOOK II. (Octavo), CHAPTER II. (Black Fish).--I give the popular fishermen's names for all these fish, for generally they are the best. 第二篇(八开型) 第二章(黑鲸)...我给这种鲸用了一个捕鱼者所通称的名称,因为一般说来

发表于:2019-03-10 / 阅读(189) / 评论(0) 分类 白鲸记
学英语单词
acre yield
aid to navigation
aluminum bis(acetylsalicylate)
aminotransfer
apiron
articles of clothing
atria of lungs
Bacterium monocytogenes
bone grain
Bryatae
can you tell us
cardiac valvular chondrification
cephalic heart
checkerspots
cipp (context input process product) model
circular skirt
clinical tests
cold rolled commercial quality sheet
commercial apparatus
coupled oxidoreduction
cupric hydrogen arsenate
d'isabelle
damaged layer
dangerous circle
deiva marina
disagreeablenesses
disk stripping column
distress traffic
drumstick-fingers
economics of education
effectiveness of classification
egg teeth
ego ideal
electrical multiplier
elementary surveying
energy range
eupraxsophies
exception enable
expansion deaerator
extraditable criminal
extrusion-based
fast-fit
fiamme
ficus formosana
full-volume
grinnest
gundola
Heptamine
hurraing
insurance enterprise
ishould
iyer
Jab.
jerry-built
jobfile
juice head
jukeboxes
Little Martinique
manganese borate
maximalist
mutation frequency decline (witkin 1956)
newsbox
normal-uranium reactor
nuclear amplitude
otoantritis
overall diameter
Panamax
passing tonnage
phlaeothripids
physcione
preprocedurally
pressurized parboiling method
PROFUNDULIDAE
quandoes
R tectonite
rated phase angle
ready-printed journal forms
red letter
retarder location
rhenium oxide
saltus of discontinuity
scale-board
scutation
Scutellaria viscidula Bge
self-checking cleaner
serial month HIBOR Futures
serumal calculus
single filling duck
skala
small-quantity
snowdrop windflower
snowed in
sticking varnish
stratford-on-avon
substations
Sykeston
Tamnič
the wheels of state
traquairs
undergo severe tests through wind and storm
urethral syndrome
verbivore