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

ƒŒƒxƒ‹3. •ÏX
SDAL“‡‰pŒêŠwZ