单词：desulfurater
单词：desulfurater 相关文章
However, I managed to get a hold of a Borane eventually, and here is the beast. 无论如何，我最终得到了一些硼烷，这就是那个怪物。 And it really does have the same -- if you calculate, if you measure the vibrational frequencies,
TED演讲教育篇
[00:05.75]The American space agency has released to the public the first of many new pictures of Jupiter's Moon,Io. [00:15.41]NASA's Galileo spacecraft took the pictures last July and October using both black and white film and color film. [00:25.73]
美国英语听力80篇
Listen this way听力教程第二册-17
Listen this way听力教程
This is AP News Munite. UN officials say more than 73,000 people in Haiti have received food last week but many more still wait. Some desperate crowds turn to looting to get what they need six days after the earthquake. Haitian authorities say they h
美联社新闻一分钟2010(一月)
But methane is actually odorless, too. 但是甲烷也是无味的。 Well then, what stinks? 那么，什么东西这么臭？ The foul smell is usually due to volatile sulfur compounds, such as hydrogen sulfide and methanethiol, or methyl mercaptan
TED演讲教育篇
A: Does it look like a good fit? B: It's definitely your size. A: Yes, it is very nice. I'll take it. B: How do you prefer to pay? A: Let me use my credit card. B: Now, if you'll just sign here. A: No problem. B: I hope you enjoy your purchase. Good-
购物英语对话
A: Does it look too small? B: It fits you to a T. A: I agree. I'm going to buy it. B: Cash or charge? A: I'll charge it. B: Sign here, please. A: There you go. B: Good-bye, and thank you for shopping here.
购物英语对话
A: What do you think? B: It looks great. A: I would like to purchase it. B: Will this be cash or charge? A: Here, take my credit card. B: Just sign here, please. A: Sure. Here you go. B: Here's your receipt. Have a nice day.
购物英语对话
A: Excuse me. Could you help me with something? B: I'll certainly try. A: I'm looking for a nice sweater. B: What size do you wear in a sweater? A: Medium is my size for shirts and sweaters. B: Here's a medium. What do you think? A: I like it. Where
购物英语对话
A healthy liver plays a key role in relieving digestive issues, such as a sluggish metabolism, gas, bloating, and constipation. It regulates blood sugar levels, which, when out of balance, can cause sugar cravings, fatigue, and fuzzy thinking. 健康的
阅读空间
By Greg Flakus Mexico City, Mexico 07 April 2006 watch Waterless Toilet report At the recently held Fourth World Water Forum in Mexico City, hundreds of governmental agencies, international organizati
2006年VOA标准英语（四月）
Effective pollution controls adopted in 161 major Chinese cities have greatly improved air quality, a green organization said last Monday. 一家绿色环保组织上周一表示，中国161座主要城市采取的有效的污染防治措施使空气质
英语新闻
Five widely used Chinese traditional medicines (TCMs) for treating cough have been found to have a high sulfur content, the Economic Information Daily reported on last Friday. 据《经济参考报》上周五报道，5种常见的中医止咳药被检
英语新闻
The Caterpillar The Caterpillar looked at Alice and said nothing. Perhaps it doesn't speak', Alice thought. But at last it did speak. Who are you? it asked. It was a hard question. Alice answered, but not very quickly: I--I don't know. I knew who I w
趣味英语
Political Advisors Hand Proposals on Environment Protection Environmental protection is going to be one of the focus-areas for both the political advisory body and the lawmakers on the National People's Congress. Wan Jie, a member of the national com
英语新闻
You need to take proper care of your eyes to maintain good eyesight. There are few fundamental rules that have to be done for good eye care. As you know very well that exposure to sun is very bad for the eyes. Similarly, if you use computer for long
英语小短文
Researchers from Xian Jiaotong University in Northwest Chinas Shaanxi Province have developed a way to eliminate air pollutants during the coal-burning process, which they hope would significantly address the countrys smog problems. 来自中国西北的
英语新闻
The World Health Organization, upgrading a previous warning, said June 12 that diesel exhaust causes cancer and called for tighter emissions standards, comparing the risk of exhaust to second-hand cigarette smoke. Tuesdays announcement comes after in
英语新闻
The proportion of hazardous metal toxins in PM2.5 in Beijing has decreased for the past three years, which experts lauded as the initial achievement of the city's anti-smog measures. 过去三年，北京市PM2.5中对人体有害的金属毒素的比重
英语新闻