[----]

Jyutping do1 nim1 kwan2 sou3
Pinyin duō nián jùn sù

Definitions (Wiktionary)
  1. noun
    polymyxin

[----]

Jyutping do1 nim1 kwan2 sou3
Pinyin duō nián jūn sù

Definitions (Wiktionary)
  1. noun
    polymyxin