高洞洞 [－－－]

Jyutping gou1 dung6 dung6
Pinyin gāo dòng dòng

Definitions (CC-CANTO)
  1. tall
Definitions (粵典–words.hk)
  1. 形容詞
    好​高
    (of structures) very tall, very high
  2. 參看
    高戙戙