Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
period of time =
1. â
2. Šú
3. ˆ«
4. ŠÙ

ƒŒƒxƒ‹3. •ύX
SDAL“‡‰pŒêŠwZ