shearing motion

例句：

1. 1. The shearing motion of the wool fibers is responsible for their strength and elasticity.
   羊毛纤维的剪切运动是它们强度和弹性的原因。
2. 2.During the shearing process, the fibers are separated from the rest of the material.
   在剪切过程中，纤维从材料中分离出来。
3. 3. The shearing motion can also be used to remove unwanted materials from a piece of fabric.
   剪切运动也可以用于从布料上去除不需要的材料。