verb🔗Share预先存在，先前存在 To exist before something else."The new device utilized preexisting technologies."这个新设备利用了预先存在的技术。conditionmedicinebiologyChat with AIVocabulary GamePractice Reading
adjective🔗Share原有的，先前的。 Already in existence before (something else)."Her health insurance didn't cover the surgery because it was related to a preexisting heart condition. "她的健康保险不包括这次手术，因为它和她原有的心脏病有关。conditiontimeChat with AIVocabulary GamePractice Reading
