例句與造句

1. The same principle is what results in all the rotations in the solar system ( rotations of planets on their axes, orbits of planets around the sun, orbits of moons around planets, etc . ) which are almost all in the same direction ( anticlockwise when viewed from above the north pole, if memory serves ).
2. It's difficult to find rotation of planets in a sentence. 用rotation of planets造句挺難的