高校问答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：2024/04/29 17:24:00
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!
高校问答是一部内容开放、自由的互动网络百科全书
客观、专业、权威的知识性百科全书
来源：百度文库 编辑：高校问答 时间：2024/04/29 17:24:00
He wanted to see a waterfall!^_^
Perhaps he had never seen it before!