比如冬天要穿毛衣或棉裤。

For example, winter wear sweaters or cotton - wadded trousers.

通常情况下，手术室内人员穿着统一，包括棉衬衫、棉裤、手术帽、口罩和鞋。

Traditionally this has been the same for all personnel and included cotton shirts and trousers, hats, masks and shoes.