three Ps三Pthreenum.三n.三；三个adj.三个的three phase current三相电流,三相交流three is consistent三者一致three-row bearing三列轴承three coaxial coils共轴三线圈Three Goods student三好学生three great virtues三达德three level control三级控制three score and tennum.旧约(人生的正常寿命为七十)three ways to boost不同工艺复合加工three fortification“三加强”