motive rut流动性车辙motiven.动机；目的；主题adj.发动的；运动的；动机的vt.促使motive position forecasting运动轨迹预测motives of English learning英语学习动机motive of self - interest自利动机motive force characteristic动力特性motive infihratinn training动机Motives of literary creation创作动机motive for physical exercise健身动机motive force of consciousness意识能动力motive power of contradiction矛盾动力论motives for joining the Party入党动机