Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
floor of a building =
1.
ŠK
2.
®
3.
Žw
4.
ˆõ
ƒŒƒxƒ‹3.
•ÏX
SDAL“‡‰pŒêŠwZ