Clean corridor wall, top ceiling, floor corner, sign board and wall lamp daily.

每日清洁走廊墙壁，天花，地面，指示牌，墙灯。

youdao

The top ceiling of basement was the weak place for energy saving and thermal insulation in the building.

地下室顶板是建筑节能和建筑隔热保温的薄弱部位。

youdao

The ceiling suddenly caved in on top of them.

天花板突然塌落在他们身上。

《牛津词典》

Someone who hits the ceiling, the top of the room, is violently angry.

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The dining room has hardwood floors, as well as ceiling speakers and a top-notch view.

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That's going to be another fight on top of the sequestration, a debt ceiling fight.

CNN: Obama signs bill warding off fiscal cliff

The lobby is dominated by a huge granite fireplace column with broad ceiling beams radiating from its top.

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