名词
中文翻译：动力的
同义词：
['dynamic', 'kinetic energy例句：1. The kinetic energy of the projectile is proportional to its mass and velocity.（投射物的能量与其质量和速度成正比。）']
例句：
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1. The kinetic energy of the projectile is proportional to its mass and velocity.
投射物的能量与其质量和速度成正比。
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2.The kinetic energy of a moving object can be converted into thermal energy through friction.
移动物体的动能可以通过摩擦转化为热能。
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3.The kinetic energy of a ball thrown in the air can be used to launch it further.
抛在空中的球的动能可以用来推动它飞得更远。