Learning on 10/21/2025
Oct 20, 2025, 3:54:46 PM
  Study time: 37 seconds 
  Today's learning: 2 
  Consecutive study days: 41
  Difficult review: 1 
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Oct 20, 2025, 3:54:46 PM
  Study time: 37 seconds 
  Today's learning: 2 
  Consecutive study days: 41
  Difficult review: 1