JLPT N1 Vocabulary 退化 (taika) degeneration, retrogression JLPT N1 Learning Done Flashcards Recall mode Meaning 退化 (たいか, taika) is a JLPT N1 vocabulary word meaning “degeneration, retrogression”. Kanji in this word 退 retreat 化 change ← Previous考古学 All N1 vocabulary Next →児
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