Ceiling
01
天花板, 房间的天花板
the highest part of a room, vehicle, etc. that covers it from the inside
例子
He installed soundproofing material on the ceiling to reduce noise from the floor above.
他在天花板上安装了隔音材料以减少来自楼上的噪音。
02
天花板
(meteorology) altitude of the lowest layer of clouds
03
上限, 天花板
an upper limit on what is allowed
04
天花板
maximum altitude at which a plane can fly (under specified conditions)
