three Ps三Pthreenum.三n.三；三个adj.三个的Three-toed slothsn.树懒属three-column core三柱型铁心Threetier structure三层结构three-judge court三法院法庭three-dimensionaladj.三维的；三度的；立体的；生动的three dimension GIS三维GISThree parks linkage三区联动three-layer frame三层结构three point bending三点弯曲Three-level model三能级