a large room in a palace or public building, for use on formal occasions (宫殿或公共建筑物中的)豪华厅室 ■a captain's or superior officer's room on a ship (船上的)船长室,高级官员的房间 ■a private compartment on a ship (轮船的)房舱,特等客舱 ■(US)a private compartment on a train (美)(火车的)包房