What has many teeth but never uses them for eating?什么东西有许多牙齿,但从不用牙齿吃东西?
问题描述：
What has many teeth but never uses them for eating?
什么东西有许多牙齿,但从不用牙齿吃东西?
答
saw,comb
答
saw锯
答
a comb