adj.自愿的，自发的；志愿的；故意的，有意的；[法]无偿的n.自愿者；自愿行动；即兴演奏，自选节目；自愿地做的工作 变形： 复数：voluntaries 双语释义：adj.(形容词)自愿的,志愿的 (of a person or action) acting or done willingly, without being forced[A] 义务的,无偿的 acting or done without payment; controlled or supported by people who giv