Per unit mass natural latex rubber can store more energy than nearly any other elastic material, 7,000 joules per kilogram.
每单位质量的天然乳胶橡胶可以储存比几乎任何其他弹性材料更多的能量,每公斤可储存 7,000 焦耳。
英语百科
Enthalpy
Enthalpy/ˈɛnθəlpi/ is a measurement of energy in a thermodynamic system. It includes the internal energy, which is the energy required to create a system, and the amount of energy required to make room for it by displacing its environment and establishing its volume and pressure.