Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
period of time =
1. ‹Æ
2. Šú
3. Ҧ
4. ”Â

ƒŒƒxƒ‹3. •ÏX
SDAL“‡‰pŒêŠwZ