制空權 [－－权]

Jyutping zai3 hung1 kyun4
Pinyin zhì kōng quán

Definitions (粵典–words.hk)
  1. 名詞
    喺​戰​爭​之中​壓制​對方​空中​戰​力​嘅​能力
    Air supremacy
Definitions (Wiktionary)
  1. noun
    air supremacy