n.天花板；最高限度；云幕高度；隔板，舱室垫板 变形： 复数：ceilings 双语释义：n.(名词)[C]天花板,顶棚 the inner surface of the top of the room[C]最高限度,上限 a usually upper limit on prices, wages, rents, etc.[C]高度,升限; 云幕高度 height above ground英英释义： ceiling[ 'si:liŋ ]n.the overhead upper surface of a