题目内容：

Air pullution comes from smoke and dust from power stations. from power stations加划线

优质解答

Air pollution comes from smoke,and where does dust come from?

追问：

这句话什么意思

追答：

空气污染来自于浓烟，那么尘埃又是从何而来的呢?

追问：

那么您能告诉我Air pullution comes from smoke and dust from power stations.这句话的意思吗

追答：

Air pullution comes from smoke and dust from power stations. 空气污染来自于浓烟，灰尘来自发电厂。