(US)a hard protective lightweight cover or shell mounted on the back or bed of a pickup truck (美)(轻型货车的)护罩 ■(US)a type of camper van mounted on a truck bed (美)(由卡车运载的)露营车
(informal)a top hat (非正式)高顶礼帽
(Brit. informal, dated)an exceptionally good person or thing (英,非正式,旧)出类拔萃的人(或物)