请教What often falls but never gets hurt?用英语回答

请教What often falls but never gets hurt?用英语回答 what falls often but never gets hurt什么意思 what falls but never gets hurt,英语答案是什么? What falls but never gets hurt? what falls often but never hurt? what falls down all the time but never gets hurt? what often falls at the north pole but never hurt? 猜谜what fallls often but never gets hurt? 谜语:what is it that fals often but never gets hurt? What fulls often but never get hurt What fulls often but nev 请教一道英语迷预题What can run but never walks,has a mouth but never What never asks any question but alawys gets answers?