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Jyutping zung1 gei1
Pinyin zōng jī

Definitions (Wiktionary)
  1. noun
    longitudinal muscle

[-]

Jyutping zung1 gei1
Pinyin zòng jī

Definitions (CC-CEDICT)
  1. longitudinal muscle
Definitions (Wiktionary)
  1. noun
    longitudinal muscle