threewayadj.三路的threenum.三n.三；三个adj.三个的three-dollar bill冒名者; 古怪的人three- glass test尿三杯试验three state circuit三态电路three data modeling三数据建模three-layer weave三层组织three-day measles三日麻疹three nut diameters坚果三径three bladed beater三翼打手three-poing curve三点曲线three phase winding三相绕组