核【炉】心中子源

Throughout my 41 years at GE, I’ve had many ups and downs. In the media, I’ve gone from prince to pig and back again. And I’ve been called many things. In the early days, when I worked at our 1)

发表于:2018-11-28 / 阅读(274) / 评论(0) 分类 疯狂英语2002年

A:Mrs Mar,I saw your raising bicycles over there.It really looks smart. B:You said it.They are the new models of our name brand Phynex raising bicycles,a lot lighter than the other ones.A great favourite with the young people abroad. A:How much do t

发表于:2018-12-03 / 阅读(201) / 评论(0) 分类 外贸英语口语

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(187) / 评论(0) 分类 2017年VOA慢速英语(十一)月

Black Holes What is a black hole? Well, it's difficult to answer this question, since the terms we would normally use to describe a scientific phenomenon are inadequate here. Astronomers and scientist

发表于:2018-12-31 / 阅读(185) / 评论(0) 分类 有声英文阅读

Neutron Star Collision (Love is Forever)---MUSE I was searching You were on a mission Then our hearts combined like A neutron star collision I have nothing left to lose You took your time to choose Then we told each other With no trace of fear that..

发表于:2019-01-03 / 阅读(162) / 评论(0) 分类 电影歌曲

《暮光3:月食》高清主题曲Neutron Star Collision Neutron Star Collision (Love is Forever)---MUSE I was searching You were on a mission Then our hearts combined like A neutron star collision I have nothing left to lose You took your time to c

发表于:2019-01-03 / 阅读(182) / 评论(0) 分类 电影英文歌曲

今天我们要学的词是source。 Source, 意思是来源。 Social Security is a reliable income source for seniors, 社会保障是美国老年人可靠的收入来源。 Police have received thousands of tips, according to a source close to the

发表于:2019-01-07 / 阅读(159) / 评论(0) 分类 英语每日一词

By Kari Barber Dakar 21 March 2008 In many African countries, few people have access to computers and the Internet. Experts say this is hindering development and preventing students from being able to compete for jobs. At a conference in Dakar this w

发表于:2019-01-07 / 阅读(187) / 评论(0) 分类 VOA标准英语2008年(三月)

Strengthen Your Core With 5 Simple Exercises From VOA Learning English, this is the Health and Lifestyle report. Your core is a complex network of muscles. It includes your abdominal muscles, back muscles and the muscles around you pelvis. Basically,

发表于:2019-01-12 / 阅读(180) / 评论(0) 分类 2016年VOA慢速英语(七)月

MARY LOUISE KELLY, HOST: For the first time, scientists have seen the violent collision of two neutron stars. They've watched as heavy elements like gold, platinum and uranium were forged. This cosmic smashup is being hailed as one of the biggest eve

发表于:2019-01-16 / 阅读(145) / 评论(0) 分类 2017年NPR美国国家公共电台10月

He was sure that when a supernova exploded, it left behind a kernel so dense that a cupful would be as heavy as a mountain, he called it a neutron star, it seems so preposterous that Z's ideas were dismissed, until that is a new way of scouring the h

发表于:2019-01-23 / 阅读(148) / 评论(0) 分类 探索与发现2015年

Alan, Canada speaker How do I get my news? Well, when I lived in Canada I got my news from primarily watching television and reading the newspaper. But since I moved over to Asia and started using computers more and more I find that I get my main sou

发表于:2019-01-23 / 阅读(260) / 评论(0) 分类 一起闲话英语-English Chitchat

But Zwicky was also capable of insights of the most startling brilliance. In the early 1930s, he turned his attention to a question that had long troubled astronomers: the appearance in the sky of occasional unexplained points of light, new stars. 然而

发表于:2019-01-29 / 阅读(106) / 评论(0) 分类 万物简史

Mercury's core makes up about 60% of the planet by mass. It's about twice as big as earth. Why would it have such a huge core for such a small planet? Some people think there was a huge impact. Kind of stripped off a lot of the planet and now what we

发表于:2019-02-05 / 阅读(114) / 评论(0) 分类 自然百科2012年

今天我们要学的词是hard-core。 Hard-core, 是指坚定的,铁杆的。Hard-core gamers, 是指打电玩上瘾的人。Hard-core members of the party, 是指一个政党的中坚力量。All my friends are hard-core Redskin fans, 我的朋友

发表于:2019-02-05 / 阅读(160) / 评论(0) 分类 英语每日一词

A veryspecializedfeedingadaptation inzooplanktonisthatofthe tadpolelikeappendicularianwholives inawalnut-sized(orsmaller)balloon (10)ofmucusequippedwithfiltersthat captureandconcentratephytoplankton. 浮

发表于:2019-02-06 / 阅读(165) / 评论(0) 分类 英文语法词汇

New Supercomputer Could be World's Fastest Scientists at the Oak Ridge National Laboratory in the U.S. state of Tennessee have unveiled what could be the worlds fastest supercomputer. The new computer, named Titan, is capable of making more than 20,0

发表于:2019-02-07 / 阅读(136) / 评论(0) 分类 英语新闻

今天我们要学的词是hard-core。 Hard-core, 是指坚定的,铁杆的。Hard-core gamers, 是指打电玩上瘾的人。Hard-core members of the party, 是指一个政党的中坚力量。All my friends are hard-core Redskin fans, 我的朋友

发表于:2019-02-08 / 阅读(181) / 评论(0) 分类 英语单词荟萃

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(184) / 评论(0) 分类 实用英语

托福阅读的文章,都有自己的背景,关于托福阅读背景,有的是移民背景,有的是工业革命背景,而在托福考试中,我的托福阅读背景是经常出现的,这些经常出现的托福阅读背景,就是我们

发表于:2019-02-21 / 阅读(162) / 评论(0) 分类 托福英语
学英语单词
a lean
addonizio
alizarin sulfonic acid
American tweezers
amplitude excursion
associative property of hologram
Awjilah
biostratification
boiling apparatus
built-in intrinsic function
came into being
chorea oculi
complete ownership
corn cleaner
cross tabulation
curled paralysis
deflagrated
densification model
density stratification
device numbering
diffraction optics
divanadyl
dog stay
East Central German
electronic distance measurement (edm)
faculous region
figurance
fire-gildings
fixed route
flame gunning
forward bow spring
Fosfocreatin
fracle
frame timber
front end rejection
fursona
gas-turbine ships
geomagnetic seasonal variation
goand
hawknose
heavy make - up
high-resistance zone
horizontal-sync discriminator
hyposphere
ijust
immediate profit
Impatiens platysepala
ineficient combustion
intermediate chainman
legendre series
life saving apparatus
linear line congruence
make our peace
melinonine
modernization of election campaign
moisture-repellent
n-ary number system
narrowleaf globemallow
non-prime-times
nucleotide pair
nursery separator
orthogonal computer
outstanding cheque
page-in
peepes
Poa chalarantha
polaristrobometer
poppering
PVH-IVH
RAPIT (record and process input table)
reengraving
regenall
river-horse
rock idol
sank in the scale
sassier
shg properties
side-tracking skate
slang
slender-beaked
spatter ware
Srinagar
stab knife
standard absorber
submarine terrace
suboptimal control
syler
taima (tayma)
tayloes
teletype setting
tendinous sheaths of toes
textolite wedge
three-state
throw of pointer
top entering(type)agitator
totaro
ultrasonic testing apparatus
unsubverted
vital factor
wennerstrand
whoope
yamanote