Learning on 12/14/2025
音響学 言語発達 発声発語Dec 14, 2025, 3:42:47 AM
Study time: 7 minute(s)
Today's learning: 72
New: 17
Consecutive study days: 20
Difficult review: 1
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Dec 14, 2025, 3:42:47 AM
Study time: 7 minute(s)
Today's learning: 72
New: 17
Consecutive study days: 20
Difficult review: 1