oxygen catastrophe

短语

大氧化事件

词形变化

oxygen catastrophes 复数 oxygen catastrophes

释义与例句

n.
  1. 1.

    An event during the oxygenation event of Earth's past, where the level of free oxygen in the environment exceeds the tolerance levels of most extant anaerobic life.

    大氧化事件

    生物
  2. 2.

    Such an event that theoretically occurs elsewhere, away from Earth.

    生物

词源

From oxygen + catastrophe. From the accumulation of atmospheric oxygen, which was toxic to the anaerobic organisms existing at the time. This process led to a widespread extinction of those life forms.

来源：wiktionary