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Jyutping zi6 mei6 beng6
Pinyin zhì wèi bìng

Definitions (CC-CEDICT)
  1. preventative treatment (medicine)
Definitions (粵典–words.hk)
  1. x
Definitions (Wiktionary)
  1. verb, Chinese, traditional
    to treat the disease before it arises or manifests (corresponds to primary +/- secondary prevention in Western medicine)