retainvt.保持;保留;记住;聘请
retaining zone同步区域
retained water薄膜水,阻滞水,滞留水,持面水
retain mission阻击战
retaining clip固定夹
retain visitor留客
retained skill保留技能
retaining walln.[建]拥壁;挡土墙;护岸
retainablenessn.保留
retaining coil保持线圈
retained thing留置物