potential energy
noun [ U ] physics specialized uk/pəˌten.ʃəl ˈen.ə.dʒi/ us/poʊˌten.ʃəl ˈen.ɚ.dʒi/
势能（物理学上，某物因位置（如被升高）、状态（如被拉伸或挤压）或化学上（如燃料或电池）所贮藏的能量）
the energy stored by something because of its position (as when an object is raised), because of its condition (as when something is pulled or pushed out of shape), or in chemical form (as in fuel or an electric battery)