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

ƒŒƒxƒ‹3. •ÏX
SDAL“‡‰pŒêŠwZ