Learning on 04/21/2026
단어Apr 20, 2026, 8:58:26 PM
Study time: 41 seconds
Today's learning: 1
Consecutive study days: 3
Difficult review: 1
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Apr 20, 2026, 8:58:26 PM
Study time: 41 seconds
Today's learning: 1
Consecutive study days: 3
Difficult review: 1