美 [ˌɡrævɪˈteɪʃənl əˈtrækʃn]
引力或重力：造成所有具质量或能量的物质之间相互吸引的作用。
(physics) the force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface
同义词： gravity / gravitation / gravitational force
重力吸引
重力
地球引力
Is that causes by gravitational attraction?
这是由万有引力作用产生的吗？
So, he was able to explain this using his laws for gravitational attraction.
他根据自己提出的万有引力定律，解释这一定律。
And we have also seen gravitational attraction in space, and I will let you look at your notes for that.
我们还学习过空间中的万有引力，关于这个知识点，大家翻一翻笔记。
Many asteroids are weakly bound piles of rubble, held together by their own minute gravitational attraction.
ECONOMIST: The American Association for the Advancement of Science
Better to knock it off course or tow it away using the gravitational attraction of a spacecraft sent to divert it.
There Newton established (among other things) the inverse-square law of gravitational attraction.