plastic surgery
noun [ U ] uk/ˌplæs.tɪk ˈsɜː.dʒər.i/ us/ˌplæs.tɪk ˈsɝː.dʒɚ.i/
整形手术，整容手术
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。