strong shear capacity and weak bending capacity

例句：

1. 1. The shear force is the force that acts between two surfaces when they are being pulled apart.
   剪力是两个表面被拉离时作用在它们之间的力。
2. 2. In a saw, the shearing action occurs when the blade cuts through the material.
   锯切过程中，当刀片切割材料时会发生剪切作用。
3. 3. The shear strength of a material is its ability to resist deformation under stress.
   材料的剪切强度是指材料在应力下抵抗变形的能力。