uvula of vermis

例句：

1. 1. The uvula is a small, fleshy structure located at the back of the throat.
   舌下腺位于喉咙后部，是一个小而肉质的结构。
2. 2. The uvula plays a crucial role in speech production by vibrating and producing sound.
   舌下腺通过振动产生声音，对发音起着至关重要的作用。
3. 3. During sleep, the uvula relaxes and helps to protect the throat from injury.
   在睡眠时，舌下腺放松，有助于保护喉咙免受伤害。