【天文学】开普勒超新星[亦作 Kepler's star]

Scientists have long believed that a star explodes when it reaches the end of its life. This explosion is called a supernova. NASA, the American space agency, describes a supernova as the largest explosion that takes place in space. Recently, a team

发表于:2018-12-12 / 阅读(228) / 评论(0) 分类 2017年VOA慢速英语(十一)月

SCIENCE IN THE NEWS - Youngest Type 1a Supernova Ever Observed SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS, in VOA Special English. Im Shirley Griffith. STEVE EMBER: And Im Steve Ember. Today, we tell about the discovery of what astronomers are cal

发表于:2019-01-04 / 阅读(177) / 评论(0) 分类 2012年VOA慢速英语(一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its not every day we get a chance to time travel. Other than into the future at the rate of one second per second. But astronomers say theyve done a li

发表于:2019-01-08 / 阅读(187) / 评论(0) 分类 Scientific American(十二)月

Earth's 'Bigger, Older Cousin' Maybe Doesn't Even Exist AUDIE CORNISH, HOST: Ever since astronomers started to detect planets beyond our solar system, they've been trying to find another world just like Earth. A few years ago, they announced that the

发表于:2019-01-16 / 阅读(191) / 评论(0) 分类 2018年NPR美国国家公共电台5月

47 天文学家发现一颗距离地球最远的超新星 DATE=5-9-01 TITLE=SCIENCE REPORT - Farthest Supernova BYLINE=Jill Moss (Start at 59

发表于:2019-01-30 / 阅读(172) / 评论(0) 分类 科技之光

小编在此与大家分享GRE阅读制胜法则,帮助各位考生在应对GRE阅读材料时更加胸有成竹。 GRE文章是论证性文字,不是说明性文字,也不是叙述性文字。这种以论证为特点的文字,及于GRE阅读文

发表于:2019-02-01 / 阅读(161) / 评论(0) 分类 GRE英语

Mr Hudson - Supernova Supernova Mr. Hudson Ft. Kanye West [Mr Hudson] Chorus: And I feel like taking off Let me be your supernova Before you make the biggest mistake of your life Just give me the chance to get it right Verse 1: They got it all They'v

发表于:2019-02-03 / 阅读(129) / 评论(0) 分类 好听的英文歌曲

MOSCOW, June 15 (Xinhua) -- Russia's Mission Control announced on Wednesday it had raised the International Space Station (ISS) by 10.2 km to 374.7 km with the help of the Europe's ATV-2 Johannes Kepler. The Mission Control conducted the correction(修

发表于:2019-02-07 / 阅读(224) / 评论(0) 分类 英语新闻

By Cindy Saine Washington 14 May 2008 Scientists have announced the discovery of the youngest known exploding star, or supernova, in our Milky Way galaxy. Astronomers say the remnant of the most recent supernova could provide clues to a long-standing

发表于:2019-02-09 / 阅读(232) / 评论(0) 分类 VOA标准英语2008年(五月)

GRE文章是论证性文字,最为重要的就是对于GRE单词含义的准确把握。这种以论证为特点的文字,及于GRE阅读文章的各个层面:篇章段落句子单 词。篇章由多个论点组成,论点由作为论据的句子

发表于:2019-02-17 / 阅读(158) / 评论(0) 分类 GRE英语

GRE文章是论证性文字,不是说明性文字,也不是叙述性文字。这种以论证为特点的文字,及于GRE阅读文章的各个层面:篇章段落句子单词。篇章由多个论点组成,论点由作为论据的句子构成,

发表于:2019-02-17 / 阅读(158) / 评论(0) 分类 GRE英语

GRE文章是论证性文字,不是说明性文字,也不是叙述性文字。这种以论证为特点的文字,及于GRE阅读文章的各个层面:篇章段落句子单词。篇章由多个论点组成,论点由作为论据的句子构成,

发表于:2019-02-17 / 阅读(149) / 评论(0) 分类 GRE英语

首先我必须要知道,一篇文章中不认识的单词占托福阅读词汇总量的比例只要控制在8%以内,是绝对不会影响到我们对全文任何观点的理解的。基于这一点,我们大家大可不必因为遇到了几个我

发表于:2019-02-17 / 阅读(258) / 评论(0) 分类 GRE英语

GRE考试改革后,对整体词汇量的要求下降20%,但是新GRE阅读词汇的考察中增加了对词汇的理解能力等等的题目,所以难度还是很大的,大家不要把注意力只放在数量的积累上,在整体文章的理

发表于:2019-02-17 / 阅读(159) / 评论(0) 分类 GRE英语

Artist's conception of the Kepler spacecraft, launched in 2008 to identify planets orbiting distant stars Related Links Kepler The planets we found are all hotter than molten lava. ... Looking at them might be like looking at a blast furnace. Scienti

发表于:2019-02-18 / 阅读(239) / 评论(0) 分类 VOA标准英语2010年(一月)

How many special people change? 有多少特殊的人已改变? How many lives are living strange? 有多少生命让生活不凡? Where were you while we were getting high? 当我们在欢乐中晕眩时你在何处? Slowly walking down the ha

发表于:2019-02-18 / 阅读(156) / 评论(0) 分类 听歌学英语

首先,在阅读教学的研究当中,语言学家们发现,一篇文章中不认识的单词占全文词汇总量的比例只要控制在8%以内,是绝对不会影响到我们对全文任何观点的理解的。基于这一点,我们大家大

发表于:2019-02-18 / 阅读(142) / 评论(0) 分类 GRE英语

GRE文章是论证性文字,不是说明性文字,也不是叙述性文字。这种以论证为特点的文字,及于GRE阅读文章的各个层面:篇章段落句子单词。篇章由多个论点组成,论点由作为论据的句子构成,

发表于:2019-02-25 / 阅读(139) / 评论(0) 分类 GRE英语

GRE阅读猜词的正确方法。虽然我们已经提前进行了GRE词汇的背诵,但是也不能保证在新GRE阅读中遇到的所有单词都认识,所以GRE阅读词汇会有一些陌生单词现象,这时候就需要哦我们利用GRE阅

发表于:2019-03-02 / 阅读(199) / 评论(0) 分类 GRE英语

Myth 1: 笔者认为从上下文中猜出单词的释义是不现实的。例如有这样一句话Supernova is a massive star which undergoes gravitational collapse. 我们是不可能从上下文中猜出supernova的释义超新星的。而我们真

发表于:2019-03-02 / 阅读(217) / 评论(0) 分类 GRE英语
学英语单词
acam
acetoiodide
aerophilons
anaglyphic press
arc-extin-guishing coil
array starting address
arrestability
aubrey cliffs
behavioral learning
best asymptotically normal
bir iron
blast-furnace plant
boomerang baby
boulhaut (ben slimane)
bun
call forth sth
carbon capture and storage
cardiorespiratory sign
Caryopteris terniflora
cell conjunction
Central American Economic Association
coal-tar chemistry
Cornus elliptica
Dilnot
display color
dougiascele
eichenbaum
evapo-transpiration
folding mark
fully automatic plow
garnet paper disk
gono
half-mask
hexagonal head wrench
high level data link control system
homeotypic(flemming 1887)
hot closed-die forging
hypothetical reflux ration
iatrogenic disease
ifds
implantation knife
intake area of alluvial cone
intravenous transfusion
j.i.s.(japanese industrial standard)
jasper opals
l.e.d.s
lead-outs
liberation of energy
Lonicera nubium
macarthur-wilson
manual diecasting machine
margo orbitalis (oss. frontalis)
medallions
Melaka, State of
mengenta pulp
mild steel expanded sheets
mixer power
mohs hardness scale
moisture equilibrium at dry side
naphtholcarboxylic acid
nccam
noise suppressing varistor
non coherent integration
openmanage
os coccygis
overall wheel diameter
overtunics
paleostriatal
placeat
plunger mark
power cut off relay
priori weighting
pseudo-streaming
puss
quadratus muscle
radiator filler cap gasket
red-handed
redonned
reisolation
retroactive amnesia
roman legions
Saccolabiopsis
Sacred Trinity
Secure connection
semi-detachment
Septum intermusculare cruris anterius
shared ordered variable
skinning
snat-nosed
sodium nitrite poisoning
spheroplasting
St-Front
three-lanest
to get cold feet
track model
twisting joint
undifferentiated adenocarcinoma of thyroid
vacarro
vena cephalicas
wimpishly
wytele