spiral prismatic dislocation spray dislocation

例句：

1. 1.The spiral staircase leads to the second floor.
   螺旋楼梯通向二楼。
2. 2. The spiral shell of a nut is where the oil and juice are stored.
   坚果的螺旋壳是油和汁液储存的地方。
3. 3. The spiral pattern on the seashell is unique.
   海贝上的螺旋图案非常独特。