| 释义 | 
		preexistingpre·ex·ist·ing  /ˌpriɪɡˈzɪstɪŋ / adjective  existing before something else, or existing already早先存在的;在先出现的◆My health insurance does not cover any preexisting medical conditions  (= that I had before I took out the insurance).我的医疗保险不包括在投保前已患的疾病。  |