voice lift
noun [ C ] (also voice-lift) uk/ˈvɔɪs ˌlɪft/ us/ˈvɔɪs ˌlɪft/
嗓音提升（对声带进行的医疗手术，目的是使声音更好听或更年轻）
a medical operation on a person's vocal cords (= the folds in the throat that produce voice sounds), in order to make his or her voice sound better or younger
Today's voice lift evolved in large part from the treatment of singers who had strained their voices in some way. 在很大程度上，今天的嗓音提升术是从治疗因某种原因伤了嗓子的歌手演变而来的。