Grammar Note
不可数名词，常与of连用表示...的势能
势能；位能
先理解核心含义，再看它在真实句子里的用法。
势能；位能
The energy an object possesses because of its position (e.g., in a gravitational or electric field) or its condition (e.g., a stretched or compressed spring, a chemical reactant, or having rest mass).
The ball at the top of the hill has more potential energy than the one at the bottom.
山顶上的球比山脚下的球具有更多的势能。
物体因其位置(在重力场或电场中)或其状态(如拉伸或压缩的弹簧、化学反应物,或具有静质量)而具有的能量。
The energy possessed by an object because of its position (in a gravitational or electric field), or its condition (as a stretched or compressed spring, as a chemical reactant, or by having rest mass).
In a chemical reaction, the potential energy stored in the bonds is released as heat.
在化学反应中，储存在化学键中的势能以热的形式释放出来。
The compressed spring has a lot of potential energy, waiting to be released.
被压缩的弹簧储存了很多势能，随时准备释放。
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不可数名词，常与of连用表示...的势能
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.