important law
英 美
It is a very important law in physics that energy can be neither created nor destroyed.
能量既不能创造也不能消灭,这是物理学中一条很重要的定律。
Compassion is such an incredibly important law of life that everyone should try to live by.
同情是一条不可估量的重要的“人生法则”,每个人都应该遵循其规律。
That energy can be neither created nor destroyed is a very important law in physical science.
能量既不能创造也不能消灭是物理学的一条很重要的定律。
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