编辑：sx_wuqb
2014-04-10
Pollution is becoming more and more serious all over the world. As is shown in the cartoon， two cars are giving off waste gas and three people are trying to avoid breathing in the poisonous gas by masking their face with their hands. The poisonous gas sent off by factories， domestic appliances and automobiles has made the air unhealthy for people to breathe.空气污染作文英语：Pollution
标签：关于污染的作文
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