twinter缠绕twinadj.孪生的；紧密联系的n.双胞胎之一twin lateral stream双生侧面河twin-engine pilot双发飞机飞行员twin-plate triode双板极三极管twin-drum sorting双鼓分类法twin screws kneader双螺杆磨浆机Twinspot Indigobirdn.双斑维达雀twinlens box camera双镜头盒式照相机twin plane boundary孪晶平面边界twin triode circuit双三极管电路twin twisted strand双绞股线