helical convolute

例句：

1. 1. The helical convolute is a unique shape that has been used in many different applications.
   螺旋卷曲物是一种独特的形状，已经被用于许多不同的应用中。
2. 2.The helical convolute is often used as a material for making ropes and cables.
   螺旋卷曲物通常被用作制作绳索和电缆的材料。
3. 3. The helical convolute can be found in nature, such as in the spiral of a tree trunk or the coiled body of a snake.
   螺旋卷曲物可以在自然界中找到，如树木的螺旋树干或蛇的身体螺旋。