What is that which has a mouth,but never speaks, and a bed, but never sleeps in it?
更新时间：
查看答案
A river.
上一篇：
一个黄妈妈，生性手段辣，老来愈厉害，小孩最怕它。(打一植物)
下一篇：
一个谎一个太阳打一成语