Noun:

1. a window in a roof to admit daylight

windown.窗户；橱窗；视窗

fanlightn.扇形窗

1. Please check the skylight control gear.
   请检查一下天窗传动装置。
2. He converted the attic into a bedroom and put in a skylight.
   他把屋顶阁楼改成卧室并装上天窗。
3. There was no skylight in the low roof, no window in any wall.
   低矮的屋顶上没有天窗,所有的墙上都没有窗户。