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[今日口语] She is in a quandary about which university to choose.

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gravitational attraction

n.
1.万有引力，地球引力，重力

同：	[n.] gravitation, gravitational force, gravity

The force of gravitational attraction between two bodies decrease as the distance between them increases.
两物体之间的引力随着两物体之间的距离增大而减小。收藏
If you treble the distance, the gravitational attraction gets nine times weaker.
如将距离增大两倍，则其万有引力就减小九分之八。收藏

名词解释：

(physics) the force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface
- the more remote the body the less the gravity
- the gravitation between two bodies is proportional to the product of their masses and inversely proportional to the square of the distance between them
- g
[同] gravitation, gravitational attraction, gravitational force, gravity

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