It is gravitation that causes the apple to fall.
是地心吸引
使苹果下落。
,引
词: gravitational词: gravitative
;，地心引;学;;;,有量;It is gravitation that causes the apple to fall.
是地心吸引使苹果下落。
We owe to Newton the principle of gravitation.
万有引原理
发现应归功于牛顿。
The sun’s gravitation was bending the beam of light.
引使光束弯曲。
By gravitation the sun and planets act and react upon one another.
行星通过引发挥作用并相互影响。
The Coulomb-force in a star is equal to 3.4 octillion times of universal gravitation (neglect the effect of electricity charge tending to the surface).
因为这个斥也会比万有引大3400亿亿亿倍（忽略电荷趋肤效应）。
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