释义
a. 旋转的 n. 运行的机器
例句
1. The gardener asked me for a rotary lawn mower. 园丁向我要一台旋转式割草机。 2. A device for transmitting rotary motion, consisting of a handle or arm attached at right angles to a shaft. 曲柄一个传递转动的部件，包括一个手柄或把手与一个轴直角相连
