voluntaryadj.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
voluntary motion随意运动
voluntary agency自愿机构
Voluntary Supply自愿供给
voluntary module随意模块
voluntary spirit志愿精神
voluntary action有意动作
voluntary merger自愿合并
voluntary govern自发治理
voluntary recall自主回收
voluntary worker义务工作人员; 义工