Learning on 02/22/2026
状態変化・熱の移動Feb 21, 2026, 10:22:55 PM
Study time: 1 minute(s)
Today's learning: 1
New: 11
Consecutive study days: 10
Difficult review: 1
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Feb 21, 2026, 10:22:55 PM
Study time: 1 minute(s)
Today's learning: 1
New: 11
Consecutive study days: 10
Difficult review: 1