three pens三枝钢笔threenum.三n.三；三个adj.三个的three-level dispersed system三级分散系three-dimensional flow model三维水流模型three-forked controlled jump三叉控制转移three thousand and seventy one(=3071) 三千零七十一Three excellent working styles三大优良作风three dimensional anchor cable三维支护three point coordinate methods三点坐标法Three fifths of the population人口的五分之三Three twenty is his average.他的打击率3成2。three converging electron beam三会聚电子束