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Jyutping gung1 zok3 toi4
Pinyin gōng zuò tái

Definitions (Wiktionary)
  1. noun
    work platform
  2. noun
    workbench

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Jyutping gung1 zok3 toi2
Pinyin gōng zuò tái

Definitions (CC-CEDICT)
  1. workbench
  2. work station