polluted和pollution的区别？
polluted为动词过去式和过去分词，中文意思是v. 污染（pollute 的过去式和过去分词）
pollution为名词中文意思是n. 污染；污染物；噪音污染，（夜间扰人的）强烈灯光
噪音污染引起的原因！用英语？
Noise pollution comes from such machines as aeroplanes, motor vehicles, construction machinery, and industrial equipment. Noise does not dirty the air, water, or land, but it can cause discomfort and hearing loss in human beings and other animals.
make noises是什么意思？
make noises制造噪音双语对照词典结果：make noises用言语作出表示，口头发表…意见; 例句:1.While some firms make noises about workers wasting time on the web, companies arerealizing the problem is partly their own fault. 虽然有一些企业抱怨员工把太多的时间浪费在了互联网上，但各企业也开始意识到，这个问题一部分上是企业自己造成的。
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