water pollution,which is being caused by factory waste这句话为啥要用is being不是直接is caused by?各个时态应该怎么理解 不要给我复制那些长篇大论 我想知道简单易理解的

water pollution 的译文 英语作文water pollution 帮忙写一篇WATER POLLUTION Air pollution is more serious than water pollution.的意思? water pollution 前面用不用加the 什么是 water pollution and water quality要英文 we have air pollution,water pollution and land pollution.句意相同We___the air,water and land round us. 用英文回答what is the cause of water pollution? More and more water is getting_____.pollute polluting polluted pollution 请以“water pollution”为题,写一篇文章,词数120 People are pollution the land,the water and the a______ 有关air and water pollution 的英语 作文 Asian Journal of Water,Environment and pollution是不是sci期刊? pass laws against water pollution 汉语意思是什么 关于pollution的英文作文.快.可以是water pollutionair pollutionsounds pollution等..写一篇100字的隐喻作文 英语there be there be soil pollution ,water pollution and noise pollution.be 要用 is 还是arebe后面加many还是 much 为什么there is air polluttion,water pollution and land pollution.用的是is,而There are air and water on the Earth.用的是are? _As 还是 Just as___air pollution affects human beingsso water pollution affects the creatures living in the water.A .As B.Just as A 为什么不行?请详解