a old-fashioned piece of underwear, usually worn by men, that covers the whole of the body and the legs

The building houses a temporary exhibit of vintage underwear: corsets, bras, stockings and union suits - the one-piece cotton T-shirt and underpants. 大楼内临时陈列着复古内衣：紧身胸衣、文胸、长筒袜和连衫裤——连体棉质T恤和内裤。