shear thrust

例句：

1. 1.The shear force is the force that separates two surfaces.
   剪切力是使两个表面分离的力。
2. 2. The shear force can cause damage to materials.
   剪切力可以对材料造成损害。
3. 3. The shear force is important in understanding the behavior of materials under stress.
   剪切力在理解材料在应力下的行为中非常重要。