她紧张地坐在那里，用手指转动着戒指。

She sat there nervously ___twisting the ring around on her finger.

他转动调谐旋钮，将收音机调到他最喜欢的电台。

He ___twisted the dial to tune the radio to his favorite station.

你可以转动手柄来打开或关闭阀门。

You can ___twist the handle to open or close the valve.