Definition: on the first floor Level: B1
他们在伦敦拥有一套一楼的公寓。
They own a ___first-___floor flat in London.
一楼的办公室更贵。
The ___first-___floor office is more expensive.
她更喜欢一楼的卧室，方便进出。
She prefers a ___first-___floor bedroom for easy access.
