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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
a.k
after-treatment with bleaching powder
Albalon
alpha glucosidase
anti-merger
antiidiotypic antibody
ash shinas
automatic repeat request
autries
Bahraini
boompipe
Chelsea Physic Garden
chinoidin
closing the executor's books
coinquinate
communication source
crossbridge
cyclode
daysailors
decomposition into direct product
desaparecidos
doctor bar
duplicitas parallela
each
echo-sign
eosinophilic leukemia
exportable surplus
first-wall material
forced recirculation boiling reactor
full to
gangliform
gasteria acinacifolia (jaco.)haw.
goat-buck
gobber-tooth
growth helping matter
guardship
hydroclone classification
inboxed
inner mixing air type burner
intempestivity
interstitial fauna
intervening value
ion exchange analysis
ISMFS
jazzing
Jefferson City
lease terms
light inlet window
longer
macrophagic
macrosmat
maleability
marine coal
mass emigration
match-winners
membrane vitelline
merothrips laevis
middle line of wave height
multichannel recorder chart
mus shortridgei
network architecture
noncontributory
numismatology
nyctophobic
oddmentss
opposite
Opposite Day
panigrahi
phallocampsis
phone in
Plesiochronous Digital Hierarchy
pointed body shape
polygenic balance
pressure quenching
project due date
prune-belly syndrome
rear-wheel drive
Red Bank
reference wavelength
reguerdoning
resistance shunt method
ressort
sea level altitude correction factor
shaft of an axe
shpeal
SIMD (single instruction multiple data)
skeleton service
St-Pamphile
standard plain metal-slitting
starting area
statik
subjective standard of reasonableness
Taenia africana
tandem hoist
taxable person
ubiquists
underedge stone
varnish finish
waste category
weekslong
wors
Yesodot