Learning on 10/23/2025
古典Oct 22, 2025, 10:09:15 PM
  Study time: 21 minute(s) 
  Today's learning: 51 
  Consecutive study days: 3
  Difficult review: 1 
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Oct 22, 2025, 10:09:15 PM
  Study time: 21 minute(s) 
  Today's learning: 51 
  Consecutive study days: 3
  Difficult review: 1