Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
period of time =
1. B
2. •X
3. Šú
4. Í

ƒŒƒxƒ‹3. •ÏX
SDAL“‡‰pŒêŠwZ