肋状物

例句：

1. 1. He was injured in the chest when he fell off the horse.
   他摔下马时胸部受伤了。
2. 2. The doctor examined her and found a fractured rib.
   医生检查后发现她的一根肋骨骨折了。
3. 3. She had to wear a brace on her left side for several weeks until the rib healed.
   她不得不在左胸佩戴支架几周，直到肋骨愈合。