n.天花板；上限
He cracked his nut on the ceiling. 他的头让天花板碰破了。
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。
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。
This ceiling has a carved panel. 这块天花板带有刻花镶板。
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。
We need to set a ceiling on the price of corn. 我们得给玉米价格设个上限。
The government has set a wages and prices ceiling of 10%. 政府规定工资和物价提高的最高限度为10%25.
ceiling的基本意思是“天花板,顶板,平顶”,引申可指官方给物价、工资、房租等所规定的“最高限额,最高限度”，或在某种条件下飞机所能达到的“最高限度”或“升限”。
锅炉炉顶
