Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
³‰ðI
floor of a building =
1. ŠK
2. “S
3. ” 
4. ®

ƒŒƒxƒ‹3. •ÏX
SDAL“‡‰pŒêŠwZ