名词
中文翻译：动态摩擦
同义词：
['kinetic friction', "dynamic friction例句：1. The car's engine is producing a lot of dynamical friction.（汽车的引擎产生了大量的动力摩擦。）"]
例句：
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1. The car's engine is producing a lot of dynamical friction.
汽车的引擎产生了大量的动力摩擦。
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2.In the motion of the ball, the dynamical friction between the ball and the floor is very small.
在球的运动中，球与地板之间的动力摩擦非常小。
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3. The friction between the two surfaces is due to the dynamical friction between the molecules.
两个表面之间的摩擦力是由于分子之间的动力摩擦引起的。