高空 (gāo kōng) — high altitude

Definition

高空 is specifically high altitude — great height above the ground (skydiving, tall buildings). 空中 is broader, just 'in the air / the sky' at any height.

noun
high altitude

Examples

  • 高空
    Tiào sǎn yùn dòng yuán cóng gāo kōng tiào xià.
    The skydiver jumped from a high altitude.
  • 高空
    Zhè zhǒng niǎo néng zài gāo kōng fēi xiáng.
    This kind of bird can fly at high altitude.
  • 高空
    Jiàn zhù gōng rén zài gāo kōng shī gōng shí bì xū xì ān quán dài.
    Construction workers must wear safety belts when working at high altitude.

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