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Jyutping tung1 hong4
Pinyin tōng háng

Definitions (CC-CEDICT)
  1. connected by air, sea traffic or service
Definitions (CC-CANTO)
  1. (verb) (traffic) Open up (air, sea route, etc.)
Definitions (粵典–words.hk)
  1. 動詞
    兩地​之間​有​船​隻​或​飛機​來​往
    open to navigation or air traffic
Definitions (Wiktionary)
  1. verb
    to be open to navigation or air traffic
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)