谱辐[射]能密度

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(449) / 评论(0) 分类 新概念优美背诵短文50篇

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(181) / 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(274) / 评论(0) 分类 新东方背诵文选

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

发表于:2018-12-16 / 阅读(156) / 评论(0) 分类 2013年VOA慢速英语(二)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(148) / 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(138) / 评论(0) 分类 英语听力文摘 English Digest

American inventor John Goodenough first started working on battery technology more than 40 years ago. Goodenough actually co-invented lithium-ion batteries in 1980. This eventually led to a revolution in the electronics industry because those devices

发表于:2019-01-02 / 阅读(173) / 评论(0) 分类 2017年VOA慢速英语(五)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(256) / 评论(0) 分类 英语小短文

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

发表于:2019-01-12 / 阅读(223) / 评论(0) 分类 2013年VOA慢速英语(五)月

Turning Cigarette Butts to Batteries 烟头转变成电池 If you see a person carelessly throw a cigarette to the ground, what are you likely to think? That depends. If you hate people throwing things on the ground, you might think, That person shou

发表于:2019-01-12 / 阅读(170) / 评论(0) 分类 2014年VOA慢速英语(九)月

South Korea Researches Vertical Farming for Food Security Agriculture in high-rise buildings is the dream of some scientists and architects around the globe. But it soon could be reality. Just outside of Suwon, a city 30-kilometers south of the capit

发表于:2019-01-13 / 阅读(179) / 评论(0) 分类 VOA标准英语2012年(四月)

大家在备考雅思口语的时候,一定非常希望自己的雅思口语表达和发音正宗些,避免自己的中式翻译方法,那么平时歪果仁都用过哪些经典表达呢?下面我们一起来看一下! 今天我们就给你带来

发表于:2019-01-18 / 阅读(168) / 评论(0) 分类 雅思英语

Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the science of the future to eve

发表于:2019-01-24 / 阅读(238) / 评论(0) 分类 英语语言学习

matter 物质 energy 能 vacuum 真空 liquid 液体 fluid 流体 solid 固体 body 物体 mass 质量 weight 重量 density 密度 specific gravity 比重 gravity 重力 velocity 速度 kinetic energy

发表于:2019-02-07 / 阅读(172) / 评论(0) 分类 英文语法词汇

如今,高端大气上档次已经成为众人耳熟能详的网络用语,凭借其无与伦比的受欢迎度,高端大气上档次一度位居十大网络用语的榜首。这句让无数互联网迷们捶足顿胸的潮流时尚用语,到底

发表于:2019-02-08 / 阅读(179) / 评论(0) 分类 英语口语

This dark energy doesn't behave like any other substance we know at all and acts more like antigravity force. 这种暗能量的性质与我们所熟知的其他物质完全不同,它更像是反重力。 We say that it has a gravitational pressure

发表于:2019-02-13 / 阅读(126) / 评论(0) 分类 TED演讲教育篇

Looking up at the night sky, we are amazed by how it seems to go on forever. 仰望夜空,我们为它的永无止境而感到惊讶。 But what will the sky look like billions of years from now? 然而数十亿年前的天空又会是什么样子呢

发表于:2019-02-13 / 阅读(148) / 评论(0) 分类 TED演讲教育篇

Science and technology 科学技术 Solar power from space 太空太阳能 Beam it down, Scotty 老兄,传下来吧 Harvesting solar power in space, for use on Earth, comes a step closer to reality 在太空获取太阳能以供地球之用:梦想距

发表于:2019-02-16 / 阅读(185) / 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(152) / 评论(0) 分类 双语有声阅读

(1)it引导的强调句 1)It + is/was + 被强调部分 + that/which/who/whom/whose + 句子的其他成分: 在这一结构中,如果被强调部分是人,用that,who,whom;如果被强调部分是物,用that或which;强调状语时,只能

发表于:2019-03-02 / 阅读(201) / 评论(0) 分类 雅思英语
学英语单词
africaine
Amzacea
articulated mechanism
automobile battery
baby alarms
backwinded
baconton
blazon forth
Bouin-Ancel test
Buddleja limitanea
buret cover
caballes
came in
Carrying Charge Market
cellules
censurate
center to face
centrifugal motion
chalconase
chols
clip-bolt
coeyman
connoisseurial
counter adaptation
counterstamp
cris de coeur
curved rule
dentin blush
differential pressure controller
douala (duala)
dried gypsum
driving box gib
electrostrictive relay
environmental label
excitation ammeter
Faete, Mte.
federal open market advisory committee (fomac)
Friedlander
fusible alloy
George, Saint
granular solid level gauge
grissell
ground fabric
gutturality
half disme
halving and doubling method
handing in
Harrington Sd.
heretozygous
hypersonic flow field
independent director
interconnector
knee baby
lotus flower
lumazine synthase
ma (q) process
main electrical circuit diagram
merritts
midbeamattack
mudflow of alpine type
musculi colli
nitroolefins
nondomain
normal side
on carrier
optical fiber coating
outline half-tone
oversleeps
perennis
piola
Polygala caudata
propeller type agitator
Raytheon Company
Roadford
rotor contact
safe running days
scraping
self-restoring drop
sero-anaphylaxis
signal relocation
singoserp
six-row seed spacing drill
snap bench
start-up mode
step by line
sugar cane
taxablest
tongue rail
towage dues
two drum boiler
umbilical catheterization
unpaired allosome
unsecret
unset concrete
unsheltered industries
ut-austin
wall map
wooley back
wul
yelchin
zero-field splitting