ceiling

名词 ceiling:

1. the overhead upper surface of a room
2. (meteorology) altitude of the lowest layer of clouds
3. an upper limit on what is allowed
   同义词：cap
4. maximum altitude at which a plane can fly (under specified conditions)

1. He cracked his nut on the ceiling.
   他的头让天花板碰破了。
2. Papering the ceiling proved next to impossible without a ladder.
   要裱糊天花板没有梯子可以说是办不到。
3. The low ceiling of the room gave me a feeling of oppression.
   低矮的屋顶给我一种压抑的感觉。
4. It took more or less a whole day to paint the ceiling.
   粉刷天花板用了将近一整天的时间。
5. This ceiling has a carved panel.
   这块天花板带有刻花镶板。
6. My bedroom is a large room with a high ceiling.
   我的卧室是一个天花板很高的大房间。

ceil.ing

n.（名词）

The upper interior surface of a room.
天花板：房间的内部上侧表面
Material used to cover this surface.
天花板料：用于覆盖这块表面的材料
Something resembling a ceiling:
顶篷：类似天花板的东西：
例句：
a ceiling of leaves over the arbor.
凉亭上面的树叶顶篷

An upper limit, especially as set by regulation:
最高限度：最高限度，尤指规定的最高限度：
例句：
wage and price ceilings.
工资和价格的最高限度

The highest altitude under particular weather conditions from which the ground is still visible.
最高纬度：在地面可见的天气条件下最高的海拔高度
The altitude of the lowest layer of clouds.
云幕高度：最低层云的海拔高度
Absolute ceiling.
绝对顶点，绝对航高
Nautical The planking applied to the interior framework of a ship.
【航海】 舱室内覆板：用作船内部框架的木板

来源：
Middle English celing
中古英语 celing
from celen [to ceil] * see ceil
源自 celen [装天花板] *参见 ceil

【引伸】
ceil.inged
adj.（形容词）