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...嚴(yán)重的類風(fēng)濕性關(guān)節(jié)炎會(huì)造成四肢變形。...the ability of a metal to deform to a new shape without cracking.金屬重新塑形而不斷裂的能力