Sigrid Cerf who was deaf from the age of three, two years ago received a cochlear implant which enables her to hear in some cases better than a person without a hearing disability.

• 西格丽德.；塞佛三岁时耳朵就聋了，两年前才被植入电子耳蜗，这使她能够在很多情况下比健听人能听到声音。