Learning on 12/21/2025
1900Dec 20, 2025, 4:09:43 PM
Study time: 40 seconds
Today's learning: 2
Consecutive study days: 16
Difficult review: 1
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Dec 20, 2025, 4:09:43 PM
Study time: 40 seconds
Today's learning: 2
Consecutive study days: 16
Difficult review: 1