[化] 焊接有害气体

Britney Spears--Toxic Baby, can't you see, I'm callin' 亲爱的 难道你不知道 我殷殷的呼唤 A guy like you should wear a warnin' 你这样的俊俏 总叫我没有安全感 You're dangerous, I'm fallin' 你真的太危险 我要坠入爱河了

发表于:2018-11-29 / 阅读(160) / 评论(0) 分类 英文歌曲第一辑

rtue 美德,德行 virus 病毒 vision 幻想,视觉 vital 极其重要的 vivid生动的,鲜艳的 volcano火山 voltage 电压 voluntary自愿的,志愿的 volunteer志愿者 vote票,选票 wage 工资,报酬 wagon四轮马车,大棚车 wander漫游,漫步 waterproof 防水的,不透水的 wealth

发表于:2018-11-29 / 阅读(149) / 评论(0) 分类 用mp3背四级单词

It's a slow drip, but it's melting glaciers and we are to blame. That's according to a new research which finds the earth is now the hottest since it has been in 400 years and potentially the last 200

发表于:2018-12-11 / 阅读(77) / 评论(0) 分类 万花筒2006年

[00:04.53]Unit 22 Environmental Protection [00:08.85]Lesson 1 Global Warming [00:12.39]Can we take the heat?In the last few decades, [00:16.95]environmentalists have reported [00:19.02]that human beings are causing changes [00:22.29]in the Earth's cl

发表于:2018-12-13 / 阅读(160) / 评论(0) 分类 北师大版高中英语模块8(选修)

[00:00.80]When the atmospheric concertrations [00:03.16]of these gases increase, however, [00:05.84]more heat is trapped and the Earth's [00:07.92]temperature rises. [00:10.37]Over the last 100 years, [00:13.01]the global average temperature [00:15.1

发表于:2018-12-13 / 阅读(128) / 评论(0) 分类 北师大版高中英语模块8(选修)

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(103) / 评论(0) 分类 Scientific American(三)月

1.Computer-Aided Manufacturing(CAM) 计算机辅助制造 A: Is CAM used in China? B: Yes,it has been uesd in China for almost twenty years. A:在中国有使用CAM的吗? B:有啊,在中国使用已经将近20年了。 2.Hot working 热加工 A: What are the hot working proc

发表于:2018-12-26 / 阅读(116) / 评论(0) 分类 天天商务口语

On a restricted site in northern Wisconsin, the hissing you hear is helping scientists see the future. Inside towering rings of pipes, aspen, birch, and sugar maples feed on measured diets of greenhouse gases. Our studies were looking at what forest

发表于:2018-12-30 / 阅读(147) / 评论(0) 分类 国家地理2007年

Rich cities around the world are largely responsible for greenhouse gas emissions, says a new study. The study measures emissions based on the use of goods and services, such as food, clothing and electronics, by people living inside cities. It inclu

发表于:2019-01-03 / 阅读(101) / 评论(0) 分类 2018年VOA慢速英语(三)月

Jackie: Welcome to BBC Learning English dot com and another chance to hear Insight Plus - a series, first broadcast in 2001 that looks at the language of issues you hear about in the news. The earth is in danger. And some say the greatest threat is

发表于:2019-01-07 / 阅读(95) / 评论(0) 分类 英语讨论

When they wheel you into the operating room, climate change is probably the last thing on your mind. But maybe it should be on your anesthesiologist's mind. Because the gases used to knock you out contribute to global warming. Researchers, including

发表于:2019-01-08 / 阅读(168) / 评论(0) 分类 Scientific American(十二)月

By Lisa Bryant Abidjan 15 December 2007 More than a year after 500 tons of toxic waste from Europe were dumped illegally around the Ivory Coast's economic hub, Abidjan, roughly a fourth of the area poisoned by the spill has not yet been cleaned up. M

发表于:2019-01-10 / 阅读(112) / 评论(0) 分类 VOA常速英语2007年(十二月)

Scientists Develop New Ways to Track Greenhouse Gases With more than 18 million people living, working and driving in Los Angeles, the city often is covered in a hazy layer of smog. Stan Sander, senior research scientist at the U.S. space agency's Je

发表于:2019-01-14 / 阅读(93) / 评论(0) 分类 VOA标准英语2013年(七月)

异构是相对于同构而言的。异构词是指在拼写上只相差一两字母的两个或几个单词,若异构词里有一个是我们所熟悉的,就可以拿来记忆其他不熟悉的异构词(GRE单词)。异构法最适合记忆中

发表于:2019-01-18 / 阅读(155) / 评论(0) 分类 雅思英语

也许听到这个消息,有的人会很生气。瘦人对环境有益。但这不是对胖人们的人生攻击,只是提示大家,我们都需要注意健康了。经研究发现,由于食品生产加工和运输等因素,超重的人群比

发表于:2019-02-01 / 阅读(69) / 评论(0) 分类 阅读空间

By Mil Arcega Washington, DC 06 April 2006 watch Global Warming report The state of California could become the first to impose emission caps on businesses to limit greenhouse gases. California Govern

发表于:2019-02-04 / 阅读(151) / 评论(0) 分类 2006年VOA标准英语(四月)

By Phil Mercer Sydney 02 April 2008 Australia's first large underground carbon storage facility has opened in the southern state of Victoria. The geo-sequestration plant will capture carbon dioxide from a power station and store it two kilometers ben

发表于:2019-02-05 / 阅读(89) / 评论(0) 分类 VOA常速英语2008年(四月)

underlie vt.位于...之下, 成为...的基础 vein n.血管, 静脉, 叶脉, 翅脉, 矿脉, 纹理, 性情, 心绪 vt.使成脉络, 象脉络般分布于 visa n.签证 vt.签准,维萨信用卡 vo

发表于:2019-02-07 / 阅读(133) / 评论(0) 分类 考研英语

You might not realise it, but sending even a short email has an impact on the environment. 你可能没有意识到,即使是发送一封小小的邮件也会对环境产生影响。 Scientists estimate that an email adds about four grams (0.14 oun

发表于:2019-02-08 / 阅读(139) / 评论(0) 分类 阅读空间

navigability 适航性 dismantle 拆除 commemoration纪念 tilting 倾斜的 monorail 单轨铁路 ribcage 胸廓 weld 焊接 bolt 插销,螺栓 hydraulic 水力的 clamp 夹紧,固定住;夹钳,螺丝钳 axle 车轴 revolution 一周(转) cog

发表于:2019-02-19 / 阅读(130) / 评论(0) 分类 雅思英语
学英语单词
acetylcarnitine
adhesion property
AFO
air-injection reactor
ancillary instrument
androsphinges
anocarpous
Arcos de Valdevez
asbc
aspartic acid
available characteristic
azure-blue
bathing hut
beaders
big mac index
braas
breath of air
but me no buts
Carbetane
casablancas
cassette tape unit
contemporary literature
continuous scanning circuit
corporate bylaws
coscinodon cribosus
court of honour
crevassed
cycloid motor
dehydrolucidusculine
dimethyl ketone, dimethylketone
divad
ectoprotein
equal inclination fringes
Euramerica
Euromart
expense ledger
extension agency
facial expression muscle
fantz
fix up someone
foetal monitors
follicular associated cell
fremium
Hejian
horizontalism
hydrazine analyzer
imaginaire
inhibitinn test
international reference ionosphere
kiteboarded
Komsomolsk(-on-Amur)
La Tagua
light centre length
line hose
lodgs
magneto-thermal effect
mass in earth orbit
mccluskie
nitrosyls
non-stationary fatigue
not care a fig for
open cup test
over-correction factor
oxyialia
particle-physicss
pitty-pat
place someone in the shoes of another person
plinth block
porewaters
postal stationery
pouring practice
project analyst
Qirmisah
queried sequential access method
radiogas isotope
reduce incidence matrix
reeling out
refactorizing
road test
Rosa langyashanica
round neckline
rugby boy
salpingostaphylinus
serial commas
series aiding connection
shake willey
sodium perborate
soft warts
stabilized earth road
stepping back
sulfaimidine
support of measure
technicist
three-level master
to'a
tremolando
undertunic
uniformizes
vasodilative
virogene
x86 processor socket
Your first name