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英语
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Don't boil more water than necessary?英译汉
为什么这种行为属于污染?
人气:183 ℃ 时间:2020-04-16 06:22:48
解答
水开了就不要再过分烧了!
烧水要燃煤、燃油、燃气、燃烧秸秆木材等,必然要排放二氧化碳、二氧化硫、氮氧化物等,因此污染环境.
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