become polluted翻译

become polluted的基本解释

读音: 美: 英:

变得污染：指环境、水源、空气等因人类活动或自然因素而变得不干净或有害。

例句

Some of the swamps have become polluted.一些沼泽已经受到了污染。
Although the sea breaks up the waste, beaches may become polluted.虽然大海可以把粪便冲散，但海滨可能受到污染。
He has seen the pristine river of his childhood become polluted and fish populations disappear.他亲历了儿童时代的河流一步步被污染，鱼类一点点的消失。

短语

become more and more polluted 变得越来越拥挤
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