(猜一猜)there is a small picture.with many teeth on
问题描述:
(猜一猜)there is a small picture.with many teeth on
its sides.it is friend of a letter.with it,a letter goes all over the world.what is it?
答
champ邮票邮票边像牙齿,有了它信可以邮寄望采纳thank