three I三I算法threenum.三n.三；三个adj.三个的three stations3个站点threecomponentadj.三元的(三分量的；三部分组成的)three corneredadj.三角的three-baggern.三垒安打(=three-base hit)；三级火警的火灾three bell tee三承三通three quarters四分之三Three Benefits“三个有利于”threeelectrodeadj.三电极的three-tenthsnum.十分之三three autonomy三自主