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中考 高考 CET-4 CET-6 考研 TOEFL BNC: 2874 COCA: 2641
ceiling
cei·ling / 5silIN ; 5si:lIN /noun C
1. the inner surface of the top part of a room天花板;
roof:
rooms with high ceilings天花板很高的房间
a light hanging from the ceiling吊在天花板上的灯
2. the largest number or amount of something that is officially allowed上限,最高限度:
[+ of ]
a public spending ceiling of £240 bn上限为 2.4 千亿英镑的公共开支
impose / set / put a ceiling (on sth)
The government imposed a ceiling on imports of foreign cars.政府对进口外国汽车的数量规定了上限。
raise / lower the ceiling (on sth)提高/下调(某事物的)上限
3. technicalthe greatest height an aircraft can fly at or the level of the clouds最大飞行高度,升限; 云幕高度
GLASS CEILING

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