downstairs
US /ˌdaʊnˈsterz/
UK /ˌdaʊnˈsterz/

1.
下樓, 在樓下
on or to a lower floor of a building
:
•
She went downstairs to answer the door.
她下樓去開門。
•
The living room is downstairs.
客廳在樓下。
1.
樓下的, 在樓下的
located on a lower floor of a building
:
•
The downstairs bathroom is out of order.
樓下的浴室壞了。
•
We use the downstairs living room for guests.
我們用樓下的客廳招待客人。
1.
樓下
the lower floor or floors of a building
:
•
The children are playing downstairs.
孩子們在樓下玩。
•
I heard a noise from downstairs.
我聽到樓下有聲音。