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Jyutping beng6 jyun4 kwan2
Pinyin bìng yuán jùn

Definitions (Wiktionary)
  1. noun
    pathogenic bacteria; bad germs
    (syn.) 病菌, 致病菌

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Jyutping beng6 jyun4 kwan2
Pinyin bìng yuán jūn

Definitions (CC-CEDICT)
  1. a pathogen
  2. a bacterial pathogen
Definitions (Wiktionary)
  1. noun
    pathogenic bacteria; bad germs
    (syn.) 病菌, 致病菌