first floor
noun
noun
1
the first floor
the
floor
of
a
building
just
above
the
one
at
the
bottom
level
[英] 二楼〔指底层上面的楼层〕;
BrE
a
flat
on
the
first
floor
二楼的一套公寓
2
the first floor
the
floor
of
a
building
at
the
bottom
level
一楼，底层
AmE
Fire
broke
out
on
the
first
floor
of
the
apartment
building.
公寓楼的底层起火。