rotary

柯林斯詞典

1. ADJ Rotary means turning or able to turn around a fixed point. 旋轉(zhuǎn)的[ADJ n]
...turning linear into rotary motion. …變直線運動為旋轉(zhuǎn)運動。
2. ADJ Rotary is used in the names of some machines that have parts that turn around a fixed point. 轉(zhuǎn)… (用于機器名)[ADJ n]
...a rotary engine. …一臺轉(zhuǎn)缸式發(fā)動機。