The law of universal gravitation is that existence all interacts between any two objects gravitation.
The law of universal gravitation is that existence all interacts between any two objects gravitation.
万有引力定律是任何两个物体之间都存在相互作用的引力。
The law of universal gravitation is that existence all interacts between any two objects gravitation.
万有引力定律是任何两个物体之间都存在相互作用的引力。