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Jyutping sap6 zi6 faa1 fo1
Pinyin shí zì huā kē

Definitions (CC-CEDICT)
  1. Cruciferae or Brassicaceae (taxonomic family including Brassica etc whose flowers have a cross of 4 petals)
Definitions (Wiktionary)
  1. noun
    Brassicaceae; Cruciferae