spiricle

例句：

1. 1.The spiral staircase leads up to the second floor.
   螺旋楼梯通向二楼。
2. 2. The helix of the screw is what makes it turn.
   螺丝的螺旋是它转动的原因。
3. 3. The spiral galaxy is a vast and fascinating universe.
   螺旋星系是一个广阔而迷人的宇宙。