Bats pick up the echoes of these sounds with the aid of their extraordinary ears, and use this sonar signal to locate where they are and what is flying in front of them.

• 蝙蝠借助于非同寻常的耳朵来接收这些回声，再利用这一声纳信号来确定物体的位置，也可以确定在它们面前飞行的是什么。