| 词汇 | internal energy | 
| 释义 | internal energy  noun [ U ]  physics specialized uk/ɪnˌtɜː.nəl ˈen.ə.dʒi/ us/ɪnˌtɝː.nəl ˈen.ɚ.dʒi/  内能 the total amount of energy in a system, equal to the kinetic energy added to the potential energy | 
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