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45.The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Suns very center. It is here that is to be found the source of the energy that the Sun constantly pours out i

发表于:2018-11-28 / 阅读(425) / 评论(0) 分类 新概念优美背诵短文50篇

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(419) / 评论(0) 分类 超大质量黑洞

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into space as light and h

发表于:2018-12-12 / 阅读(163) / 评论(0) 分类 英语小短文

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the

发表于:2018-12-15 / 阅读(253) / 评论(0) 分类 新东方背诵文选

Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of

发表于:2018-12-24 / 阅读(140) / 评论(0) 分类 2015年Scientific American(一)月

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into space as light and h

发表于:2018-12-30 / 阅读(133) / 评论(0) 分类 考研背诵50篇

A Magical Glow? Have you ever wondered why fluorescent colors, like you see in highlighters or clothing dyes, for instance,seem so much brighter than other colors? Its because they seem to reflect more light than they receive! It may sound like a mag

发表于:2018-12-31 / 阅读(122) / 评论(0) 分类 英语听力文摘 English Digest

Earth Station - The term used to describe the combination of antenna, low-noise amplifier (LNA), down-converter, and receiver electronics that are used to receive a signal transmitted by a satellite.

发表于:2019-01-03 / 阅读(147) / 评论(0) 分类 电信英语

Angela Merkel, who has steered Germany through several global crises as its first female leader, said last Sunday that she will seek a fourth term as chancellor in general elections next year. 安吉拉默克尔上周日宣称,将在明年举行的大

发表于:2019-01-07 / 阅读(377) / 评论(0) 分类 英语新闻

Some call it the hormone of love. Its oxytocin and it helps moms bond with and breast-feed their babies, and even keeps romantic couples content. Now a study suggests that this same hormone might also help people with autismby improving their social

发表于:2019-01-08 / 阅读(155) / 评论(0) 分类 Scientific American(二)月

The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into

发表于:2019-01-08 / 阅读(226) / 评论(0) 分类 英语小短文

Want to create a high performance environment? My guess is that you already know many of the characteristics listed below. But, you may need some incentive to motivate you to create that type of space. In high performance environments you * are comfo

发表于:2019-01-08 / 阅读(148) / 评论(0) 分类 英语小短文

新技术:开灯就有无线宽带 Bulbs could soon be used to broadcast household broadband 英国爱丁堡大学的一位教授研究出了一项新技术,能够让普通的电灯泡作为无线网络信号传输器,只要开灯,就能无线上

发表于:2019-01-08 / 阅读(205) / 评论(0) 分类 轻松英语

Large Windows Could Capture Solar Energy 利用大窗户吸收太阳能 Solar cells have been around since the 1950s. But now there is a race to develop transparent solar cell that can cover windows of buildings and still capture the suns light for e

发表于:2019-01-12 / 阅读(170) / 评论(0) 分类 2016年VOA慢速英语(八)月

Message on World Cities Day 世界城市日致辞 31 October 2015 2015年10月31日 The theme of this years observance of World Cities Day Designed to Live Together highlights the key role of urban design in building sustainable, socially integrated

发表于:2019-01-17 / 阅读(114) / 评论(0) 分类 英语口译

The President reflects on lessons from his time spent outside Washington recently, which only reinforced the core principles in his budget. The budget will be his central focus throughout this week: These investments are not a wish list of prioritie

发表于:2019-01-26 / 阅读(177) / 评论(0) 分类 美国总统每日发言

Science and Technolgy. 科技。 Visible-light communication. 可见光通信。 Tripping the light fantastic. 与光共舞。 A fast and cheap optical version of Wi-Fi is coming. 一个高速而廉价的光学Wi-Fi即将问世。 AMONG the many new

发表于:2019-01-26 / 阅读(198) / 评论(0) 分类 经济学人科技系列

So water then pumped that chemicals high pressure into the rock to create not officious fractures that allows gas to flow into the well ball which then captured. Another words driven the UKs so far have been production tested. So, there is no officia

发表于:2019-02-05 / 阅读(454) / 评论(0) 分类 英伦广角

Science and technology 科学技术 Visible-light communication 可见光通信 Tripping the light fantastic 与光共舞 A fast and cheap optical version of Wi-Fi is coming 一个高速而廉价的光学Wi-Fi即将问世 AMONG the many new gadgets u

发表于:2019-02-06 / 阅读(175) / 评论(0) 分类 经济学人科技系列

The Source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into

发表于:2019-02-25 / 阅读(139) / 评论(0) 分类 双语有声阅读
学英语单词
absorption trap
accelerating trend
agatston
antapical plate
appropre
augmented turbojet
Ausser-Ferrera
batch test
be full of go
beam scanner
bedad
Book of Genesis
borolithochrome
by the square
calcine car
Camelopardalis
can't stick
caranges
casseliflavus
CIBD
co-educating
colour reversal material
comforteth
confessed
constant level lubricator
cook-in
craft-worker
creamed chicken soup
Cremanthodium angustifolium
cyclidia substigmaria substigmaria
debts
discrete planar epitaxial device
dismas
dome-type frame
doosy
ebonation
fic-
fireone
fixed scattering centre approximation
hahs
half the battle
HardyWeinberg law
Hinchinbrook I.
Hydrophorida
image geometric error
imago myiasis
immunoblast
incense stick
instructional aide
karevoll
Koktuma
Lalique, Rene
McGyverisms
Mysovaya
natrofairchildite
natural frequency
needle ice
non-bloodsucking
NSC-6396
nucleated cells
picture writings
plutonyl(vi) sulfite
pokemon
postdigestion
pot wagon
pressure propagation
radiculomedullary
redrums
Rekoss disk
religious ethics
reticulin
reversible encryption
rosa cymosa tratt
SF (signal frequency)
sharri
silica glass strength
single process scutcher
skoliosometer
snowmane
sodium benzoates
sorting track
spin-coated diskette
stern fueling rig
stone fan
sub-group
sudokuists
sulfinimine
sulfolipin
sym-methylacetylurea
Taylor standard screen
the ozone layer
the triumph of death
top-bracket
trichordos
UIC Mark
undercutting cold front
veena
vertical transmission
Walton-on-the-Naze
wrath of god
ypthima praenubila kanonis