かいりょうくわ 改良を加える Show inflections LinksSentence search for 改良を加えるSentence search for かいりょうをくわえるKanji details for 改, 良 and 加Edit in JMdict Expressions (phrases, clauses, etc.), Ichidan verb1. to improve upon; to make improvements to; to refine Discussions Log in to talk about this word.