noun 下载 🔗分享 锁骨 The bone joining the shoulder and the breastbone. Examples : "My sister hurt her collarbone in a fall during soccer practice. " 我妹妹在足球训练时不小心摔倒了,伤到了锁骨。 anatomy body physiology medicine part science organism biology human 与AI对话词汇游戏阅读练习