threedadj.三维的(立体的；体型的；有立体感的；真实的)threenum.三n.三；三个adj.三个的three fulcrums三支点three elements三要素three-aisled(剧院观众座位间) 三条通道的three centeredadj.三心的three- level三电平three straight连胜三盘three upsurges三大热潮three Vs three三打三教学three-factor三要素three concepts三条命