noun🔗Share引力，万有引力 The fundamental force of attraction that exists between all particles with mass in the universe. It is the weakest of the four forces, and possesses a gauge boson known as the graviton."The apple fell from the tree due to gravitation. "苹果因为万有引力的作用从树上掉了下来。physicsastronomyspacetheoryscienceChat with AIVocabulary GamePractice Reading
