noun
two-story building
Refers to a building with two floors above ground. Often used in compound nouns like 二階建ての家 (two-story house) or 二階建てバス (double-decker bus).
See also: 階建て
このあたりには二階建ての家が多い。
There are many two-story houses in this area.
二階建てバスに
We went sightseeing on a double-decker bus.