Word · 単語
劣化
Reading れっか
deterioration (in quality, performance, etc.)
deterioration (in quality, performance, etc.) · degradation · worsening · (visible) aging · becoming unattractive (due to aging)
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JLPT
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strokes
#17393
frequency
Not started
Mastered counts as known everywhere (frontier, map, extension) but never appears in the quiz again. New wipes the review history for this item.