sanitization

US /ˌsæn.ə.təˈzeɪ.ʃən/
UK /ˌsæn.ə.təˈzeɪ.ʃən/
1.

消毒

the act or process of making something completely clean and free from bacteria:

:
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For more thorough sanitization, put the feeding tray in the dishwasher after use.
:
sanitationsanitation workerhand sanitizer