procerus muscle

例句：

1. 1. The horse's procerus muscle is a crucial part of its movement.
   马的后腿肌肉是其运动的关键部分。
2. 2.The scientist studied the anatomy of the human body and discovered the procerus muscle.
   科学家研究了人体的解剖学，并发现了后腿肌肉。
3. 3. During the race, the runner's procerus muscle was working overtime to propel him forward.
   在比赛中，跑步者的后腿肌肉正在超负荷工作，以推动他前进。