碳原子和两个氧原子相结合组成了二氧化碳，是数十亿年来保持我们地球温度的重要温室气体。但是近些年来由于人类的活动，地球温度不断上升，导致温度过高。

Bound to two atoms of oxygen, it creates carbon dioxide, the chief greenhouse gas that has kept our planet warm for billions of years - and is now, thanks to human activity, making us too warm.

youdao

碳原子和两个氧原子相结合组成了二氧化碳，是数十亿年来保持我们地球温度的重要温室气体。但是近些年来由于人类的活动，地球温度不断上升，导致温度过高。

Bound to two atoms of oxygen, it creates carbon dioxide, the chief greenhouse gas that has kept our planet warm for billions of years - and is now, thanks to human activity, making us too warm.

youdao