波

Risamaru07  Apr 6, 2026, 6:59:07 PM Study time: 2 minute(s)
Today's learning: 22
Consecutive study days: 7
Difficult review: 1
All tasks completed!
物理 電気 波

Risamaru07  Mar 16, 2026, 12:16:52 AM Study time: 5 minute(s)
Consecutive study days: 2
Difficult review: 1
物理 波