first floor
US /ˌfɜːrst ˈflɔːr/
UK /ˌfɜːrst ˈflɔːr/
1.
1階
the floor of a building at ground level or immediately above the ground floor
:
•
The office is on the first floor.
オフィスは1階にあります。
•
Take the elevator to the first floor.
エレベーターで1階へお上がりください。