gas exchange
noun/ˈɡæs ɪkstʃeɪndʒ/
/ˈɡæs ɪkstʃeɪndʒ/
[uncountable] (biology)- the process by which oxygen and carbon dioxide are transferred between a living thing and the environment
气体交换：氧气和二氧化碳在生物和环境之间转移的过程 - Gas exchange is the most important function of the human lung.
气体交换是人体肺部最重要的功能。
- Gas exchange is the most important function of the human lung.