废弃物已经污染了空气、海洋、河流和陆地。
一些工厂把废弃物排放到江河和海洋里。 厂把废弃物排放到江河和海洋里。
Some factories just throw their wastes into seas or let them flow into rivers.
一些工厂把废弃物排放到江河和海洋里。 厂把废弃物排放到江河和海洋里。
Some factories just throw their wastes into seas or let them flow into rivers.
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