a medical operation to bring a damaged area of skin, and sometimes bone, back to its usual appearance, or to improve a person's appearance

Several of the crash victims had to have extensive plastic surgery. 事故的几个幸存者不得不做大面积的整形手术。

She had plastic surgery on her nose to straighten it. 她给鼻子做了整容手术，使它变得挺直一些。