能量守恒定律能量守恒定律能守恒能量守衡能量保守能量不减能量不灭
The law of conservation of energy: energy is conserved, energy is maintained, energy is preserved, energy does not decrease, and energy does not perish
以上为机器翻译结果，长、整句建议使用 人工翻译 。
应用推荐
模块上移
模块下移
不移动