(1/2)求解：What animal can run without a leg and with a house on its back?（
问题描述：
(1/2)求解：What animal can run without a leg and with a house on its back?（
答
snail（蜗牛）
答
snail 蜗牛
答
什么动物行动的时候没有腿,还背个房子?
蜗牛