单词：non-polluting or pollution-reducing processes
单词：non-polluting or pollution-reducing processes 相关文章
Acting Beijing Mayor Cai Qi admits the current bout of air pollution throughout the capital is a major concern. He says like most people in the city, he is consistently checking the air quality index, and says public concern about the problem is both
2017CRI中国国际广播电台
Have you noticed that it's getting warmer and warmer every year? To put it simply that's because of air pollution. Scientists tell us that because of air pollution, the earth's heat cannot escape. Thi
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unit 4 The Earth [00:19.63]单元 四 地球 [00:21.55]Look and learn [00:23.08]看并且学习 [00:24.61]the Earth the Sun [00:26.95]地球 太阳 [00:29.28]stars the Moon [00:32.26]星星 月亮 [00:35.24]Look and say [00:36.77]看并且说 [00:38.
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335. Why didn't I understand your meaning? W: I want you to wait for me for a minute. M: Why don't I understand your meaning. W: All the others got me. M: Why don't I understand your meaning? W: You are not familiar with it. It doesn't matter. M: I w
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Don: Time to go again to the A Moment of Science mailbag. A listener writes: Dear Yal and Don, I know that it's important to have clean air, but why? Besides making the air smell better, what's the advantage of reducing air pollution? Yal: Interestin
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Minister of Environmental Protection Chen Jining says China's efforts to tackle environmental pollution over the past year have been successful. Our efforts have resulted in an obvious trend of improvement in air quality. For example, last year in th
2016CRI中国国际广播电台