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

ƒŒƒxƒ‹3. •ÏX
SDAL“‡‰pŒêŠwZ