If something deforms a person's body or something else, it causes it to have an unnatural shape. In technical English, you can also say that the second thing deforms.
例句
Bad rheumatoid arthritis deforms limbs...严重的类风湿性关节炎会造成四肢变形。...the ability of a metal to deform to a new shape without cracking.金属重新塑形而不断裂的能力
英汉词典释义
n.
损形;变形;畸形
a slow longitudinal movement or deformation纵向缓慢的运动或变形
英英词典释义
Noun
1. a change for the worse
2. alteration in the shape or dimensions of an object as a result of the application of stress to it
3. the act of twisting or deforming the shape of something (e.g., yourself)