题目内容：

What go on four legs in moring ,on two at noon ,and on therr evening

优质解答

What go on four legs in moring ,on two at noon ,and on therr evening 什么东西早上四条腿走路,中午两条腿走路,晚上三条腿走路?human 或 man 人类 当然是人了,我们婴儿时【早上】在地上用四肢爬,长大后【中午】步...