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Jyutping saat3 duk6
Pinyin shā dú

Definitions (Wiktionary)
  1. verb, intransitive, verb-object
    to disinfect; to sterilise
  2. verb, intransitive, verb-object
    to kill computer virus
Definitions (HSK3.0)
  1. HSK3 五级词汇表 #640

殺毒 [杀-]

Jyutping
Pinyin shā dú

Definitions (CC-CEDICT)
  1. to disinfect
  2. (computing) to destroy a computer virus