Learning on 10/ 7/2025
Oct 6, 2025, 8:33:31 PM
  Study time: 1 minute(s) 
  Today's learning: 5 
  Consecutive study days: 3
  Difficult review: 1 
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Oct 6, 2025, 8:33:31 PM
  Study time: 1 minute(s) 
  Today's learning: 5 
  Consecutive study days: 3
  Difficult review: 1