Learning on 06/27/2026
衛生 歯周病Jun 26, 2026, 11:36:45 PM
Study time: 39 seconds
Today's learning: 2
Consecutive study days: 1
Difficult review: 1
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Jun 26, 2026, 11:36:45 PM
Study time: 39 seconds
Today's learning: 2
Consecutive study days: 1
Difficult review: 1