tracheal system

例句：

1. 1.The tracheal system is responsible for the distribution of oxygen throughout the body.
   气管系统负责将氧气在整个身体中分布。
2. 2.The tracheal system is a vital part of the respiratory system.
   气管系统是呼吸系统的重要组成部分。
3. 3. The tracheal system can be damaged by smoking or exposure to certain chemicals.
   气管系统可以通过吸烟或暴露于某些化学物质而受损。