英语,猜谜语

问题描述:

英语,猜谜语
What is the smallest room in the world .It's?
What go on four legs in the morning ,on two at noon ,and on there in the enening They are?

an auricle 心房
people 人
人小的时候是爬的(4条腿),长大了走(2条腿),老了要拄拐杖(3条腿)
我最先回答的,选我啊