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-hypers三高症three way type三路式three constant三常数Three Presents三个代表three-sixthsnum.六分之三three-gaitedadj.会三种步法的three pin plug三心插塞子three- phase三相three-square三等边灯心草,截面成等边三角形three per centn.三厘利息的公债