必须始终穿戴防护服。

Protective ___clothing must be worn at all times.

你只能带三件衣物进入更衣室。

You can only take three articles/items of ___clothing into the changing room.

如今，服装的目的不仅仅是遮盖和保护我们自己。

Nowadays the aim in ___clothing is not just for covering and protecting ourselves.