Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
period of time =
1. Šú
2. “S
3. ’ë
4. –ò

ƒŒƒxƒ‹3. •ύX
SDAL“‡‰pŒêŠwZ