rhombomere

例句：

1. 1. The animal's body has a series of ribs that support its weight.
   这个动物的身体上有一系列支撑其重量的肋骨。
2. 2. The ribcage is the protective cage around the heart and lungs.
   胸骨是围绕心脏和肺的保护性外壳。
3. 3. The ribcage is where the vertebrae are joined together to form the spine.
   肋骨将椎骨连接在一起形成脊柱。