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Jyutping zung1 dang2 gaau3 juk6
Pinyin zhōng děng jiào yù

Definitions (CC-CEDICT)
  1. secondary education
  2. middle school education
Definitions (Wiktionary)
  1. noun
    secondary education
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)