組氨酸 [组－－]

Jyutping zou2 on1 syun1
Pinyin zǔ ān suān

Definitions (CC-CEDICT)
  1. histidine (His), an essential amino acid
Definitions (Wiktionary)
  1. noun, Mainland-China
    histidine
    (syn.) 組胺酸, 组胺酸