bats are the only flying animals in the world急求整篇文章

题目

bats are the only flying animals in the world急求整篇文章

答案

Bats are the only flying mammals (哺乳动物) in the world.They can’t see very well.It was long believed and still is in many places,that all bats are blind."Blind as a bat" is often heard.Yet they hav...