turret|turrets

战舰上的炮塔可以360度旋转瞄准目标。

The battleship's ___turret can rotate 360 degrees to aim at targets.

这座古老的城堡有四个装饰性的小塔楼。

The old castle has four decorative ___turrets.

机床上的旋转刀架可以快速更换不同的刀具。

The ___turret on the machine tool allows for quick changes of different cutting tools.