long underwear編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看long underwearlong underwear — 名詞名詞1. warm undergarments covering legs and arms, worn in cold weather1.名詞釋義衛生衣褲warm undergarments covering legs and arms, worn in cold weather例句I wear long underwear under my jeans when it's freezing outside.