volunteern.志愿者;(自行生长的)植物v.(自愿)做
Volunteer blood donors无偿捐献者
volunteer firefighters志愿消防员
volunteer unemployment自愿性失业
Volunteer Training Unit志愿人员训练小队
Volunteer Defence Corps民防志愿队(泰国)
volunteer one's servicen.用火箭推进的炸弹
Volunteer Service Abroad海外志愿服务团
Volunteer blood donation无偿献血
volunteers organizations志愿组织
Volunteer Aviation Units志愿航空兵小队