她紧张地转动着手指上的戒指。

She nervously ___twisted the ring on her finger.

他必须用力转动那个旧门把手才能把门打开。

He had to ___twist the old doorknob firmly to open the door.

要调节阀门，只需顺时针转动旋钮直到它停止。

To adjust the valve, simply ___twist the knob clockwise until it stops.