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Jyutping gou1 saan1 zing3
Pinyin gāo shān zhèng

Definitions (Wiktionary)
  1. noun
    altitude sickness; apoxia; mountain sickness

高山症 [---]

Jyutping
Pinyin gāo shān zhèng

Definitions (CC-CEDICT)
  1. altitude sickness
  2. acute mountain sickness
Examples (粵典–words.hk)
  1. Cantonese
    高原上嘅空气比较稀薄,好易有高山症。
    高原上嘅空氣比較稀薄,好易有高山症。
    gou1 jyun4 soeng6 ge3 hung1 hei3 bei2 gaau3 hei1 bok6, hou2 ji6 jau5 gou1 saan1 zing3.
    • The air is thin on the highland and it's easy to get Acute Mountain Sickness there.