dynamics可数还是不可数
dynamics不可数 dynamics 美/daɪˈnæmɪks/英/daɪ'næmɪks/ n.动力学，力学 双语例句： Dynamicsis the study of the effects of forces on the motion of objects. 动力学研究力对物体运动所造成的影响。 The internaldynamicsfor this protest came from extreme dissatisfaction with the existing...