题目
Quiz test3
It is the force of attraction between all objects thar tends to pull them to one another.It is a universal force,affecting the largest and the smallest objects,all forms of matter and energy(11words)
It is the force of attraction between all objects thar tends to pull them to one another.It is a universal force,affecting the largest and the smallest objects,all forms of matter and energy(11words)
提问时间:2020-07-18
答案
gravitation 引力
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