Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
floor of a building =
1. ‹æ
2. Τ
3. ŠK
4. ‰¡

ƒŒƒxƒ‹3. •ύX
SDAL“‡‰pŒêŠwZ