首先，我想大致介绍一些听觉方面的基本知识，然后我们考察一下学校的环境，看看能否找到一些保护听觉的办法。

First, I want to go over some basic about hearing. Then we can take a look at our school environment and see if we can figure out some ways to protect hearing.

youdao

首先，我想大致介绍一些听觉方面的基本知识，然后我们考察一下学校的环境，看看能否找到一些保护听觉的办法。

First, I want to go over some basic about hearing. Then we can take a look at our school environment and see if we can figure out some ways to protect hearing.

youdao