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A supermassive black hole is quite simply gravity gone mad. An object of such concentrated matter its gravitational pull is insatiable. Nothing can escape it, not even light itself. Anything that gets

发表于:2018-12-07 / 阅读(350) / 评论(0) 分类 超大质量黑洞

A mentor is someone who teaches or advises a younger person with less experience. January is National Mentoring Month in the United States. This is a time for calling attention to the value of mentoring. Some mentoring programs connect adults with ch

发表于:2018-12-15 / 阅读(62) / 评论(0) 分类 2011年VOA慢速英语(一)月

EXPLORATIONS - Three Innovators Who Changed the History of Sound and Communication Technologies STEVE EMBER: Im Steve Ember. BARBARA KLEIN: And Im Barbara Klein with the VOA Special English program EXPLORATIONS. Today we tell about three inventors wh

发表于:2018-12-16 / 阅读(66) / 评论(0) 分类 2011年VOA慢速英语(五)月

We can use comparative adverbs to show change or to make comparisons: 我们可以用比较性副词体现改变或比较两者的不同: I forget things more often nowadays. She began to speak more quickly. They are working harder now. We often us

发表于:2018-12-18 / 阅读(95) / 评论(0) 分类 英文语法词汇

图片1 图片2 by Jason Marshall In the last article, we discovered that integers alone are not sufficient to fully describe the world around uswe need the fractions existing between the integers too. (In learning that, we also learned that fraction

发表于:2019-01-02 / 阅读(156) / 评论(0) 分类 数学英语

Those stars don't feel the black hole. They feel the rest of the stars in the galaxy. They don't know or care that the black hole is there. If you took the black hole away from the galaxy, they would

发表于:2019-01-02 / 阅读(338) / 评论(0) 分类 超大质量黑洞

By Steve Herman Thimpu, Bhutan 21 May 2007 To the outside world the small Buddhist kingdom of Bhutan is regarded as a modern-day Shangri-La. Nestled along the eastern side of the Himalayas, wedged between Tibet and India, Bhutan sees few outsiders. A

发表于:2019-01-04 / 阅读(103) / 评论(0) 分类 2007年VOA标准英语(五月)

A: I'm really happy that you came to visit me. B: I really missed you a lot. A: I've been missing you like crazy. B: I don't understand why you haven't come to visit me. A: Lately, I've been quite busy. B: Tell me what you've been up to. A: I've real

发表于:2019-01-06 / 阅读(106) / 评论(0) 分类 英语闲谈

A: I'm really glad that you came to see me. B: I had to. I was missing you a lot. A: I was missing you too. B: So, why haven't you visited me? A: I've actually been busy lately. B: What have you been doing? A: I've just been working really hard. B: I

发表于:2019-01-06 / 阅读(122) / 评论(0) 分类 英语闲谈

A: Thanks for coming to see me today. B: It's no problem. I was really missing you anyway. A: I missed you too. B: Why haven't you tried to come see me then? A: I've been really busy. B: Doing what? A: Working. B: I would've come to see you sooner, b

发表于:2019-01-06 / 阅读(127) / 评论(0) 分类 英语闲谈

A: I have a question about extra people living with me in my apartment. B: You may have one roommate, but they need to have an approved application on file with us. A: What about overnight guests? B: An occasional overnight guest is not a problem. A:

发表于:2019-01-07 / 阅读(71) / 评论(0) 分类 地道英语对话-租房

A: Can I have roommates in my apartment? B: You may have one roommate, but they need to pass a credit check. A: Can overnight guests stay with me? B: You may have an overnight guest, but they may not stay for an extended period of time. A: How long c

发表于:2019-01-07 / 阅读(82) / 评论(0) 分类 地道英语对话-租房

A: What about roommates in my apartment? B: You may have one roommate, but their name must appear on the lease. A: Can I have someone visit me for a short period of time? B: We understand that a family member or friend may visit from time to time. Ju

发表于:2019-01-07 / 阅读(67) / 评论(0) 分类 地道英语对话-租房

New Procedures Improve Chances for Trauma Victims At one of the largest trauma centers in the United States, a multi-disciplinary team of doctors and nurses works quickly to save the life of a 60-year-old man suffering from multiple stab wounds. Dr.

发表于:2019-01-14 / 阅读(108) / 评论(0) 分类 VOA标准英语2013年(四月)

A U.S. Congressional delegation is in Iraq to meet with the country's interim government leaders and U.S. military commanders. Amid continuing violence, the senators say Iraq still needs U.S. and coalition support, and vowed to see the job through. 一

发表于:2019-01-19 / 阅读(75) / 评论(0) 分类 VOA双语新闻 Bilingual News

Triceratops protects itself with a bony shield called a frill. They can fend off an attacker with a pair of one-meter-long swords. Youve got to crush it. The only way to deal with this huge, curved, cantilevered, composite armor is a crushing blow wi

发表于:2019-01-23 / 阅读(81) / 评论(0) 分类 探索与发现2013年

By Peterson Ssendi Kampala,Uganda 02 June 2007 Many Pentecostal churches in Kampala invite the afflicted to be cured. Mrs. Frances Adroa, who is HIV-positive, took them up on the offer. I am a sick person (I have HIV AIDS) so,she explains, I was prom

发表于:2019-02-02 / 阅读(107) / 评论(0) 分类 2007年VOA标准英语(六月)

The Ant and the Dove An ant went to the bank of a river to quench its thirst, and being carried away by the rush of the stream, was on the point of drowning. A dove sitting on a tree overhanging the water plucked a leaf and let it fall into the strea

发表于:2019-02-04 / 阅读(101) / 评论(0) 分类 英语杂谈

NICOSIA, April 16 (Xinhua) -- A committee of the Cypriot parliament voted on Tuesday to subpoena Central Bank Governor Panicos Demetriades to answer questions as to whether he had misled the parliament in relation to the mandate for a probe into the

发表于:2019-02-05 / 阅读(63) / 评论(0) 分类 英语新闻

--I'm Isabella. --I'm Dalia. --And I'm Rue. --And we're competing this year's Senior American rocket challenge. --You'll hear more about this later. --But for now, take it away, Carl. Thank you ladies. Thanks all of you for joinging us. Yesterday we

发表于:2019-03-15 / 阅读(202) / 评论(0) 分类 CNN2013年(五)月
学英语单词
-ulent
Abovyan
adjustable cistern barometer
adrenotoxin
advance landing field
all kinds kept in stock
almagroes
alvearium
Amisuloride
apply to the customs
audio transformer
BDH-1298
Bol'shiye Kaban'ye
Boswellia carteri
bromthymol blues
built in varible guide vane
capital transfer
carcinoma in situ of endometrium
central perspective
circulation statement
coded rail circuit
concentric lamella
cross-grains
current sensitive colour screen
debridements
depreciation of lamp
diallylether
disdeigning
dry cow
electrolytic grinder
enicospilus nigribasalis
epobond epoxyn
fahies
faunistic complex
fight your corner
fighting capacity
float mareograph
foil-type safety valve
full-service advertising agency
gold policy
half rhyme
handling dolly
heliopore
Hertz law
hexagonal nose handpiece
in this view
interchondral ligaments
IUIS
keep out pollen from other varieties
keto sugar
knock-on damage
laichauensis
Lecanorchis multiflora
leg-stretch
lollings
long-finned squids
lucyless
Lynx L.
manual multiple type switchboard
marine erosion
marine seismic vessel
meat packing
methylomes
misfolding
non-soluble substance
Orestias
orha
p-methoxybenzyl
paper covered edition
pas de bourree
Pharsalus
pneumatic coal hammer
point spectrum
polarity lamp
Poncha
positive half-wave
protochlorophyllide
pushup storage
radio-wave frequency
read someone the riot act
reed fescue
refined grade solvent naphtha
regular soldiers
ROM emulator
sabirs
Sherarat
siren songs
sodium D2O reactor
steady time
stoikinetic equation
stringbeans
superplasticization
susses out
sweeneys
tbse
U-trap
Ulleskelf
unwhigged
vacuum pressure impregnation
vascular nephropathy
virtual-reality
WSRP