adjective🔗Share非常に清潔な, ウルトラ清潔なExceptionally clean."The surgeon needed an ultraclean operating room to prevent infection during the delicate procedure. "外科医は、繊細な手術中に感染を防ぐために、非常に清潔な手術室を必要としました。qualityappearanceconditionChat with AIVocabulary GamePractice Reading