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

ƒŒƒxƒ‹3. •ÏX
SDAL“‡‰pŒêŠwZ