de·teri·or·ateBrE/dɪˈtɪəriəreɪt/NAmE/dɪˈtɪriəreɪt/verbpresent simple - I / you / we / theydeteriorateBrE/dɪˈtɪəriəreɪt/NAmE/dɪˈtɪriəreɪt/present simple - he / she / itdeterioratesBrE/dɪˈtɪəriəreɪts/NAmE/dɪˈtɪriəreɪts/past simpledeterioratedBrE/dɪˈtɪəriəreɪtɪd/NAmE/dɪˈtɪriəreɪtɪd/past participledeterioratedBrE/dɪˈtɪəriəreɪtɪd/NAmE/dɪˈtɪriəreɪtɪd/ -ing formdeterioratingBrE/dɪˈtɪəriəreɪtɪŋ/NAmE/dɪˈtɪriəreɪtɪŋ/[I]tobecomeworse变坏；恶化；退化◆Herhealthdeterioratedrapidly, andshediedshortlyafterwards. 她的健康状况急剧恶化，不久便去世了。◆deterioratingweatherconditions不断恶化的天气状况◆~intosthThediscussionquicklydeterioratedintoanangryargument. 这场讨论迅速演变成愤怒的争吵。▸de·teri·or·ationBrE/dɪˌtɪəriəˈreɪʃn/NAmE/dɪˌtɪriəˈreɪʃn/noun[U, C]◆aseriousdeteriorationinrelationsbetweenthetwocountries两国关系的严重恶化