ramus cutaneus

例句：

1. 1. He was hit in the ramus cutaneus by a baseball bat.
   他被棒球棒击中了肋骨。
2. 2. The doctor advised him to get his ramus cutaneus checked for any injuries.
   医生建议他检查一下肋骨是否有任何伤害。
3. 3. During the race, the runner's ramus cutaneus was exposed to the elements.
   在比赛中，运动员的肋骨暴露在外界环境中。