This is the 6122nd most frequent Chinese word.
屋內
Inside the house.
This usage of '屋內' refers to the literal meaning of 'inside the house' to describe the location where the table is placed, emphasizing spatial reference.
屋內有一張桌子。
Inside the house, there is a table.
Here, '屋內' denotes the area within the house where the activity of playing by the children occurs, focusing on the context of an event.
孩子們在屋內玩耍。
The children are playing inside the house.
In this sentence, '屋內' is used to specify the environment within the house, describing the air's temperature and connecting it to the inhabited space.