ventral tracheal commissure

例句：

1. 1. The ventral tracheal commissure is a critical structure in therespiratory system.
   腹侧气管连接处是呼吸系统中的一个关键结构。
2. 2. During embryonic development, the ventral tracheal commissure plays a crucial role in lungformation.
   在胚胎发育过程中，腹侧气管连接处对肺的形成起着至关重要的作用。
3. 3. Theventral tracheal commissure is often the site of congenital heart defects.
   腹侧气管连接处往往是先天性心脏病缺陷的常见部位。