voluntary act自愿行为
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 military service志愿兵役制
voluntary interim auditing自愿中期审计
voluntary observation ship志愿观测船
voluntary codes of conduct自愿的行为准则
Voluntary Service Overseas志愿海外服役人员
voluntary export restraint出口自动限制
voluntary eversion of lids随意性睑外翻
voluntary false confession自愿虚假供述
Voluntary Tanker Agreement志愿者坦克部队协议