sindexsuicidology./soo-uh-sahy-dol-uh-jee/US // ˌsu ə saɪˈdɒl ə dʒi //自杀学,自杀病学,自杀症学,自杀症Definitionsn.noun · 名词1.›the study of the causes and prevention of suicide. Level 5More words in s →