基本解释adj.自愿的；志愿的n.(教堂礼拜仪式前后或进行期间的)乐器独奏词源解说 14世纪晚期进入英语，直接源自拉丁语的voluntarius，意为自愿的。同根派生 voluntaries相关词英汉例句用作形容词 (adj.)用作定语: ～+ n.He made a voluntary statement to the police.他自动向警方提出口供。用作表语: S+be+～That he bumped me is voluntary.他故意撞了我一下。voluntaries更多例句词组短语用作形容词 (adj.)～+名词voluntary army 志愿军voluntary labor 义务劳动voluntary service 自愿服务短语voluntaries更多词组