rotary

1. ADJ Rotary means turning or able to turn around a fixed point. 鏇轉的[ADJ n]

...turning linear into rotary motion. …變直線運動爲鏇轉運動。

2. ADJ Rotary is used in the names of some machines that have parts that turn around a fixed point. 轉… (用於機器名)[ADJ n]

...a rotary engine. …一台轉缸式發動機。