stylotrachealis

例句：

1. 1. The stylotrachealis is the main vocal cord, which controls the flow of air into the lungs.
   声带是主要的呼吸器官，它控制着空气进入肺部。
2. 2. During sleep, the stylotrachealis relaxes, allowing for deeper breathing and relaxation.
   在睡眠期间，声带放松，使得呼吸更深，身体得以放松。
3. 3. A person with a damaged stylotrachealis may have difficulty inhaling or speaking loudly.
   声带受损的人可能会在吸气或大声说话时遇到困难。