gravitation 四级六级

It is gravitation that causes the apple to fall.

是地心吸使苹果下。

We owe to Newton the principle of gravitation.

有原理发现应归功于牛顿。

The sun’s gravitation was bending the beam of light.

太阳使光束弯曲。

By gravitation the sun and planets act and react upon one another.

太阳与行星通过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).

因为这个斥也会比有大3400亿亿亿倍（忽略电荷趋肤效应）。