threemanadj.三人共同管理的threenum.三n.三；三个adj.三个的three-mode model三众数模式three-place verb三项动词three level system三能级系统Three shift roster三班制值勤名单three-paper test三张纸试验three-pin socket三脚插座Three- Dimension三维three address code三地址指令three-hole probe三孔探针three state buffer三态缓冲器