This is the 4233rd most frequent Chinese word.
天窗
"天窗" means "skylight."
Here, '天窗' translates to 'sunroof,' referring to the transparent or openable part on the roof of a car.
他把书放在车里的天窗下。
He placed the book under the sunroof of the car.
In this context, '天窗' means 'skylight,' referring to a window installed on the roof of a building.
屋顶的天窗让房间很明亮。
The skylight on the roof makes the room very bright.
Here '天窗' metaphorically represents an 'open time slot,' indicating an available or free period in a schedule.