Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
floor of a building =
1. ŒN
2. —ç
3. ŠK
4. ’Ç

ƒŒƒxƒ‹3. •ÏX
SDAL“‡‰pŒêŠwZ