课文:你可知道,大海深处是什么样的吗?当海面上波涛汹涌的时候,海底依然是宁静的。那么,海底是否一点儿声音没有呢?也不是。海底动物常常在窃窃私语,只是我们听不到而已。如果你用上特制的水中听音器,就能听到各种各样的声音:有的像蜜蜂一样嗡嗡,有的像小鸟一样啾啾,有的像小狗一样汪汪,有的像人在打呼噜……它们吃东西的时候发出一种声音,行进的时 Text: Do you know what the depths of the sea are? When the sea is choppy, the seabed is still quiet. So, is the sea a little noisy at all? Seabed animals are often whispering, but we can not hear it. You can hear all sorts of sounds if you use a special aquarium: Some are buzzing like a bee, others tweeting like a bird, others barking like a puppy, others like people Snoring ... they make a noise when they eat, and when they are walking