剑状软骨

例句：

1. 1. He had to have surgery on his clavicle because it was broken.
   他不得不对他的剑状软骨进行手术，因为它断了。
2. 2. The sternum is the main bone of the chest and can be felt under the skin.
   胸骨是胸腔的主要骨头，可以在皮肤下感觉到。
3. 3. Clavicles are important for supporting the arm bones and helping them move.
   剑状软骨对于支撑手臂骨骼并帮助它们移动非常重要。