单词:flammable gases
单词:flammable gases 相关文章
[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
[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
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
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
Grammar Girl here. Today I'm going to cover two short topics. So while I was home sick and listening to Undead and Unappreciated and Undead and Unpopular I had two happy little surprises when the main character asked the kind of questions that you li
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
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
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
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
8 Safety in the workplace 8 工作场所安全 A Some useful phrases. 有用表达。 Listen to the recording and repeat. 听录音,跟读。 You should put your ear plugs in. 你应该戴上耳塞。 You mustn't smoke here. 你不能在此吸烟。
Flammable materials 易燃材料 A: Is that a no-smoking sign? A:那是禁烟标志吗? B: Yes, it is. As you know, some of the materials we use are highly-flammable so we have a very strict non-smoking policy in the factory. B:是。你知道,我们
The first day of the experiment, we got out to our plot 实验的第一天,我们来到了实验地点, and a grizzly bear and her cub chased us off. 突然一头灰熊和她的熊宝宝出现,把我们赶跑了。 And I had no bear spray. But
I'm dressing up for tonight. Don't need no list. No invite今晚我盛装打扮,无须名单,无须请柬 I'm here to dance, dance, da-da-dance, dance我要在这里欢舞,欢舞,欢舞 We headed straight to the bar,我们直向酒吧奔去 O
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
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
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
台湾籍旅美老师今天交给我们的句子是: Stress hormones increase inflammation in the body, suppress the immune system, which make you more susceptible to infection by acne-causing bacteria, and can even increase oil-production in the s
It's the things that you do, So physical, It's the things that you say, So flammable, You know I can't resist, Boy it's such a shame, Do you belong to another, I don't wanna hurt nobody, But my heart just can't hold back, It's the Way You Make Me Fee