ton·sil·lec·to·my /ˌtɑn(t)səˈlɛktəmi/
  扁桃腺切除術
  Ton·sil·lec·to·my n. Surg. The operation of removing the tonsils; -- formerly also called tonsilotomy.
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  tonsillectomy
       n : surgical removal of the palatine tonsils; commonly performed
           along with adenoidectomy