| 单词 | internal energy |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔free energy〕A thermodynamic quantity that is the difference between the internal energy of a system and the product of its absolute temperature and entropy.自由能：热量值，表示系统的内部能量和它的绝对温度与熵的产物的差别美国传统 |
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