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Jyutping wu6 sing4 hou4
Pinyin hù chéng háo

Definitions (Wiktionary)
  1. noun
    moat
    (syn.) 護城河, 濠溝, 濠沟, 池, 城河, 城壕, 护城河
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)