← 単語を見るに戻るimprovementsnoun#16,864訳語バージョンアップバージョンアップレベルアップレベルアップ維持いじ回復かいふく英語の定義a change for the better例文We have made numerous improvements to our house since we bought it.Many improvements have been made since this century began.似ている単語improvementimproveimplementsimprovedimprovesimprover← curatorcampfire →