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-controlledadj.经费全部由地方当局提供的voluntary winding-up自动清盘voluntary sterilization自愿绝育voluntary appropriation任意指拨voluntary accommodation正随意调节, 随意调节voluntary health agency志愿卫生机构, 民办卫生机构voluntary participation自愿参与voluntary organizations志愿组织voluntary export quotas自动出口配额制voluntary blood donation无偿鲜血