英语脑筋急转弯 | 什么东西会跑却从不走路，有床却从不睡觉，有嘴却从不吃东西？

Question
问题

What runs, but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?
什么东西会跑却从不走路，会呢喃却从不说话， 有床却从不睡觉，有嘴却从不吃东西？

Answer
答案

A river.
河流。