ground floor
US /ˈɡraʊnd flɔːr/
UK /ˈɡraʊnd flɔːr/

1.
1층, 지상층
the floor of a building that is at the same level as the ground outside
:
•
The reception area is on the ground floor.
접수처는 1층에 있습니다.
•
Our apartment is on the ground floor, so it's easy to access.
우리 아파트는 1층에 있어서 접근하기 쉬워요.