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Ceiling
01
上限
the highest part of a room, vehicle, etc. that covers it from the inside
02
上限
(meteorology) altitude of the lowest layer of clouds
03
上限
an upper limit on what is allowed
04
上限
maximum altitude at which a plane can fly (under specified conditions)
例子
He used a long brush to paint the high ceiling of the living room.
He noticed a water stain on the ceiling and called a professional to fix the leak.
She lies on the floor, imagining shapes on the ceiling.
He stood on a ladder to change a lightbulb on the ceiling.
He installed soundproofing material on the ceiling to reduce noise from the floor above.
