单词:burning technique of coal water mixture
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JEFFREY BROWN: And next, Ray Suarez continues his series about the changing energy picture in this country. Tonight, he visits Colorado, where natural gas is taking center stage, prompting questions about the future of both coal and alternative energ
This is the VOA Special English Development Report. Dye can bring a little color to life. Most clothing is colored with dyes. Modern, manufactured dyes can be costly. Natural dyes from plant and animal products have been used since ancient times. So
A cluster of villages in China's Guizhou province has been plagued by an outbreak of disease that damages teeth and bones. Now, a new study by Chinese and American researchers puts the blame on polluted coal burned in home fireplaces. In small quanti
[00:01]A:OK, people, on your toes. We're doing this one blind. [00:03]B:Gene, understand that we've never tried this before. [00:06]G:Look, it will ignite, will it not? [00:08]B:I just want you to know the engine's never been tried like this.
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
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