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Jyutping gou1 hei3 aat3
Pinyin gāo qì yā

Definitions (Wiktionary)
  1. noun
    high-pressure area; anticyclone
Examples (粵典–words.hk)
  1. Cantonese
    高气压
    高氣壓
    gou1 hei3 aat3
    • high atmospheric pressure