three-pieceBrE /ˌθriː ˈpiːs/ 🔊NAmE /ˌθriː ˈpiːs/ 🔊 adjective [only before noun] consisting of three separate parts or pieces 三件一套的；由三部分组成的◆a three-piece suit (= a set of clothes consisting of trousers/pants, a jacket and a waistcoat/ vest ) 三件式套服（包括裤子、上衣和背心）◆(BrE) a three-piece suite (= a set of three pieces of furniture, usually a sofa and two armchairs) 三件一套的家具（通常为一张长沙发和两张单人沙发）