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