rotate

1. V-T/V-I When something rotates or when you rotate it, it turns with a circular movement. 旋转

The earth rotates around the sun. 地球围绕太阳旋转。

2. V-T/V-I If people or things rotate, or if someone rotates them, they take turns to do a particular job or serve a particular purpose. 使轮流; 轮流

The members of the club can rotate and one person can do all the preparation for the evening. 该俱乐部的成员可轮流工作，一个人可做晚会所有的准备工作。