static energy的用法和樣例：
例句
- In the circumstances the potential energy turns to kinetic energy.
在這種情況下，勢位能就轉化成動能。 - The potential energy of certain spatially uniform fields can act much like a cosmological constant.
對某些在空間中均勻分佈的場，它們的位能表現起來就像是宇宙常數。 - Potential energy is convertible to kinetic energy.
勢能可轉化為動能。 - We can therefore say that the system has internal potential energy.
因此，我們可以說，該系統有內勢能。
