In the southern hemisphere, they rotate clockwise and in the northern hemisphere, they rotate anticlockwise.

它们在南半球顺时针旋转，在北半球则逆时针旋转。

Millions of years ago, the moon rotated rapidly.

数百万年以前，月球的自转速度还很快。

We are multi-skilled so we can rotate jobs.

我们对于多项技能非常娴熟，因此我们可以轮流工作。

Well the earth is rotating while simultaneously revolving around the sun.

其实地球在自转的同时也绕太阳公转。

For instance, we can also rotate it around in multiple directions.

比如说，我们还可以在多个方向上旋转它。

The reason is that the galaxies rotate faster than they should.

推理的根据是，星座自传的速度比料想的要快。

The mirrors rotate as the sun moves, like sunflowers.

镜子跟着太阳旋转，就像向日葵一样。

A counterweight holds a long cable in place while it rotates around a circle.

旋转时，一个配重将缆绳固定在原位。

We can see it more often than that because of how fast the Earth rotates.

我们经常能看到月亮，是因为地球自转速度快。

It takes 27 earth days for me to rotate once around.

我公转一周需要 27 天。