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词型变化:名词复数形式 : carbon-hydrogens

EXPLORATIONS - Carbon Monoxide Poisoning is a Silent Killer That Causes Death and Injuries Throughout the World By Marilyn Christiano Broadcast: Wednesday, November 02, 2005 (MUSIC) VOICE ONE: This is

发表于:2018-12-01 / 阅读(268) / 评论(0) 分类 Explorations

The composition of the sun lies in this bar code. 这个条码说明了太阳的组成 All the thin lines are caused by tiny amounts of complex elements 这些细细的线条,都是微量复杂元素造成的 metals like iron and magnesium. 好比说

发表于:2018-12-07 / 阅读(195) / 评论(0) 分类 太阳科普

Broadcast: February 14, 2003 By George Grow This is the VOA Special English Environment Report. President Bush has offered a plan to speed development of technology that uses hydrogen as fuel. His goa

发表于:2018-12-07 / 阅读(186) / 评论(0) 分类 VOA2003(上)-科技导航

US Navy Lab Turns Seawater Into Fuel 美国海军实验室成功将海水转变成燃料 For centuries, alchemists have tried to turn lead into gold. That transmutation has long been proven impossible, but another similar dream - turning water into f

发表于:2018-12-08 / 阅读(130) / 评论(0) 分类 VOA标准英语2014年(五月)

I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indians and Pakistanis

发表于:2018-12-12 / 阅读(156) / 评论(0) 分类 英语演讲

Item eight. Vocabulary. fossil, molecule, hydrogen, carbon, sulfur. Petroleum has been important since ancient times. In Latin, the name means rock oil. Petroleum is a fossil fuel. The liquid comes from the remains of plants and animals that died mil

发表于:2018-12-27 / 阅读(124) / 评论(0) 分类 step by step 3000 第一册

How big is your carbon footprint? Neil: This is Real English from BBC Learning English. I'm Neil. Lily: 大家好,我是杨莉。 Neil: This is the programme in which we look at words and phrases that you may not find in your dictionary. Lily: 地道英语和大

发表于:2019-01-02 / 阅读(171) / 评论(0) 分类 地道英语在线听

By Greg Flakus Scientists in Texas are trying to find a way of reducing carbon dioxide air pollution by capturing the gas, compressing it and then putting it underground. This technique could also yie

发表于:2019-01-03 / 阅读(147) / 评论(0) 分类 VOA2004(下)--健康科技

Why Teflon Is Slippery Teflon is the trademark name for PTFE, a type of plastic. If you own any non stick cookware, then you probably use PTFE on a daily basis. You might not realize, as you fry your morning eggs, that PTFE is one of the most slipper

发表于:2019-01-22 / 阅读(316) / 评论(0) 分类 英语时差8,16

NEW YORK Plug in your car, then unplug, and drive away. More and more consumers are doing just that. At the 2014 New York Auto Show many automakers unveiled electric or hybrid vehicle to address the growing global appetite for environment-friendly ca

发表于:2019-01-30 / 阅读(155) / 评论(0) 分类 英语新闻

German Car Manufacturer Audi Creates Fuel From Air And Water 奥迪用空气和水合成新燃料 Creating an alternative green or carbon neutral fuel to replace gasoline has been the holy grail for scientists for many years. However, while there has

发表于:2019-02-05 / 阅读(136) / 评论(0) 分类 阅读空间

Questions 12-20 The elements other than hydrogen and helium exist In such small quantities that it is accurate to say that the universe somewhat more than 25 percent helium by weight and somewhat less than 25 percent hydrogen. Astronomers have measur

发表于:2019-02-05 / 阅读(189) / 评论(0) 分类 托福英语

PREFIX 1.a-:of;on;intensive;negative,not,without;ad-;ab-. 2.ab-:away from,off. 3. ad-:to;at;for. 4. aer(o)- :relating to air . 5.al-:all. 6.ambi-:on both sides,around. 7.amphi-:on both sides,around. 8.an-:negative,not,without. 9.ana-:upon,up,on. 10.a

发表于:2019-02-06 / 阅读(196) / 评论(0) 分类 雅思英语

HARBIN, Jan. 31 (Xinhua) -- Carbon monoxide has been blamed for the Tuesday deaths of 12 workers in a coal mine in northeast China's Heilongjiang Province, a local official said Thursday. Three workers entered the Yongsheng mine in Dongning County to

发表于:2019-02-08 / 阅读(188) / 评论(0) 分类 英语新闻

December 30, 1954 I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indi

发表于:2019-02-09 / 阅读(198) / 评论(0) 分类 英语美文

9月16日是墨西哥馆日,墨西哥馆五颜六色的风筝森林吸引了不少人的眼球,你知道小小的风筝里有什么大学问吗?其实风筝也有很多种分类哦,一起来看看吧。 说到kite这个单词,这也许是我们

发表于:2019-02-18 / 阅读(211) / 评论(0) 分类 英语口语

North Korea conducted a 'successful' hydrogen bomb test, Pyongyang has confirmed. The thermonuclear weapon triggered a massive 5.1 magnitude earthquake when it exploded at 10am local time on Wednesday. 平壤方面已经证实,朝鲜成功的进行了

发表于:2019-02-18 / 阅读(135) / 评论(0) 分类 英语新闻

What Causes A Can Of Food To Swell? 罐装食品膨胀的原因 Most of us are cautious eaters. If youre munching grapes, youll probably skip one thats all shriveled and discolored in favor of the round, healthy ones. Likewise, when you choose a can

发表于:2019-02-24 / 阅读(131) / 评论(0) 分类 英语听力文摘 English Digest

Why Teflon Is Slippery? 1954年,法国工程师马克格雷瓜尔(Marc Gregoire)的妻子柯莱特(Colette)突发奇想,觉得丈夫用来涂在钓鱼线上防止打结的不粘材料特氟龙(Teflon)如果可以用在煎锅上,效果一定不错

发表于:2019-02-24 / 阅读(178) / 评论(0) 分类 英语听力文摘 English Digest

BEIJING, Sep. 16 (Xinhuanet) -- Government incentives are important to pave a low-carbon road to economic growth, but companies that improve their industry models and technologies are the main players and also benefit receivers, noted officials and i

发表于:2019-02-25 / 阅读(172) / 评论(0) 分类 英语新闻
学英语单词
a finger in the pie
accelerator dynamic test
anterior gray commissure
anti-malarials
asymmetrical ridge
audience polarization
avc(automatic volume control)
blood lacunar system
bone mineral
bottle-sickness
catastrophised
chainline
chambered nautiluss
Chinese bandoline wood
commercialisation
cytoplasmic receptor
data-set
dead to the world
density resistance
edgeling
electropherogram
electropolish
elevator gear reducer box
eosinophil
excess flow valve
f-m process
file sequence number
flat bit tongw
glasgay
going along with
gongfu
grant equivalent
graphic numerical control
gynobase
herald-dispatch
historical grammar
hot coal tar coating
hydrogenating
incoalation
index of homophily
innere
iwatsukiella leucotricha
kaddishes
Kaphuka
Kunene R. (Cunene, R.)
loose content
main thing
major power supply
material balance report
meso-cardia
meta-stable
moc-toe
multiple knife head
Myopus
negative displacement
nonvictim
octal address
OOPSLA
optical parallel
oyster grass
paradisoes
parameter send block
petionville
peyrefitte
pholocell
phone mail
power plant for mobile radio apparatus
power-factor improvement
prequalification of prospecitve bidders
product of labour
purge oil
pyriphlegethon
quadrifrontal
rainwater hopper
reedify
revolucionaria
rineharts
robert m. yerkess
sandur
satiny
Scopetine
scorch mark
secondary generating rule
Septoria apii
situational depression
solid eccentric sheave
SR (send-receive switch)
staccati
studio scenery
t-billest
tamable
teleconversations
telegeodynamic
terrestrial radiation balance
three plant generation
uintaites
unescorted flight
varve
virtual bit map
William Rowan Hamilton
won't be long
Zhuge Liang