rotary

旋转的、转动的、回转的

The machine converts rotary motion into an up-and-down movement.

这部机器把旋转运动转换成上下移动。

转盘式的

My grandmother still keeps an old rotary telephone in the hallway.

我奶奶还在走廊上留著一台老式转盘电话。

圆环、环形交叉路口美式

Take the second exit from the rotary and head north.

从圆环的第二个出口出去，然后往北开。

扶轮社常大写

He joined Rotary after retiring and now organizes charity events.

他退休后加入扶轮社，现在负责筹办慈善活动。