怎样看牙膏是否含氟:english riddles
来源：百度文库 编辑：高校问答 时间：2024/05/16 01:10:44
Why did the boy throw a bucket of water out the window?
He wanted to see a waterfall!^_^
Perhaps he had never seen it before!
He wanted to see a waterfall!^_^
Perhaps he had never seen it before!