Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
period of time =
1. ˜H
2. Šú
3. ‰^
4. ˜a

ƒŒƒxƒ‹3. •ÏX
SDAL“‡‰pŒêŠwZ