We think about putting on sunscreen and we can see when we have a sunburn, but noise damage is invisible.

我们会想到涂防晒霜，并且可以看到我们什么时候晒伤，但噪音损害是看不见的。

It was thought that noise damaged hearing by intense mechanical vibrations that destroyed delicate structures of the inner ear.

人们认为，噪音通过强烈的机械振动破坏了内耳的脆弱结构，从而损害了听力。