Learning on 10/21/2025
英語Oct 20, 2025, 9:23:11 PM
  Study time: 12 minute(s) 
  Today's learning: 125 
  Consecutive study days: 478
  Difficult review: 1 
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Oct 20, 2025, 9:23:11 PM
  Study time: 12 minute(s) 
  Today's learning: 125 
  Consecutive study days: 478
  Difficult review: 1