What has no legs ,but can walk all day and all night?的意思是什么

What has no legs ,but can walk all day and all night?的意思是什么 what has no legs,but can walk all day and all night 是什么意识 猜一个英语谜语：What has no legs,but can walk all day and all night? what has no legs ,but can walk all day and all night ? 英语谜语问：What has no legs,but can walk all day and all night? 英语谜语What has no legs,but can walk all day and all night?it i What has no legs,but can walk all day and all night?回答 What has no legs,but can walk all day and all night?It’s ＿ ＿ What has no legs ,but can walk all day and all night? 英语What has no legs,but but all day and all night的谜底是什么 猜谜语 whath has no legs,but can walk all day and all night?it' 猜谜语 What has no legs,bet can walk all day abd all night?It’s