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Jyutping aai3 hau2
Pinyin ài kǒu

Definitions (CC-CEDICT)
  1. narrow mountain pass
  2. defile
Definitions (Wiktionary)
  1. noun
    mountain pass (Classifier: 道 m)
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)