noun🔗Share预防药，预防措施。 A medicine which preserves or defends against disease; a preventive."The dentist recommended a fluoride treatment as a prophylactic against cavities. "牙医建议做氟化物治疗，作为一种预防蛀牙的措施。medicinediseaseChat with AIVocabulary GamePractice Reading
noun🔗Share预防措施，预防剂 Any device or mechanism intended to prevent harmful consequences."The securities laws are a prophylactic against stock fraud."证券法是防止股票欺诈的预防措施。medicinedeviceChat with AIVocabulary GamePractice Reading
adjective🔗Share预防性的，预防的。 Serving to prevent or protect against an undesired effect, especially disease."Washing your hands frequently is a good prophylactic measure against catching a cold. "经常洗手是预防感冒的有效预防性措施。medicinediseaseChat with AIVocabulary GamePractice Reading
