three wayadj.三路的threenum.三n.三；三个adj.三个的three-dimensional fire立体火力three-flight staircase三阶段楼梯three-electrode system三电极系统Three-Department model三部门模型three-dimensional maze立体迷宫three curved square laws三弯矩法three-way plastic tube塑料三通管three-input subtracter三输入减法器,全减法器Three-elementary Weave三原组织Three young IT whiz kids三个年轻的IT精英