| 释义 |
胸骨xiōnggǔ人或高等动物胸腔前面正中央的一根剑形的骨头,两侧与肋骨相连。胸骨、胸椎和肋骨构成胸腔。{sternum; breastbone; thin, flat structure of bone and cartilage to which most of the ribs are attached in the front of the chest, as in man and most vertebrates. The sternum, thoracic vertebra and costa form the thoracic cavity.} |