three rowadj.三行的threenum.三n.三；三个adj.三个的three-color method三色法three position valve三通阀Threeleaf Cinquefoil三叶委陵菜three account system三帐户制three treasures pill三宝丸three-point Basket三分篮three-needle frame三针缝纫机three-factor model三因子模型three minutes of ten[美]差三分钟到十点three-axis warhead三轴稳定弹头