时间和地点副词 - 封闭区域副词

into or inside of a place, object, or area

在

outside a room, building, etc.

外面

in or into a room, building, etc.

里面

in an open area surrounding a building

在外面

inside a specific area, building, etc.

内部

not inside a building or enclosed space

户外

to, at, or toward the place where one lives

回家

in the place where one lives

在家

on or into a vehicle such as a bus, train, plane, etc.

在船上

on or toward a higher part of a building

楼上

on or toward a lower part of a building, particularly the first floor

楼下

in or to the room or building that is directly beside or nearby

隔壁

on or onto the stage where the audience can see

在舞台上

in or to the area behind the stage in a theater that is out of the audience's sight

在后台

on a means of transportation such as an aircraft, train, or ship