The Earth rotates round the sun...

地球围绕太阳转。

Take each foot in both your hands and rotate it to loosen and relax the ankle.

双手抓住自己的双脚，转动一下，以放松脚踝。

The members of the club can rotate and one person can do all the preparation for the evening...

俱乐部的成员可以轮流工作，而且一个人就能做好晚上的所有准备工作。

They will swap posts in a year's time, according to new party rules which rotate the leadership.

根据轮流担任领导的新政党章程，他们在一年后会轮换职位。