Musculus verticalis linguae

例句：

1. 1. The tongue's vertical muscles are essential for speech production.
   舌头的垂直肌肉对于言语产生至关重要。
2. 2.The study of the musculus verticalis linguae is important in understanding the function of the tongue.
   研究舌肌垂直肌对于理解舌头的功能非常重要。
3. 3.During sleep, the tongue's vertical muscles relax, allowing the tongue to protrude.
   在睡眠时，舌头的垂直肌肉放松，使舌头伸出。