Some are busy sanding the rib cage of a hull that has yet to be planked.一些人忙着打磨尚未铺板的船体筋框架。The bullet entered his rib cage from the left side.子弹从左侧穿入他的胸腔。Her heart was thudding against her rib cage.她的心在胸口怦怦直跳。He has lost weight and I can see his rib cage.他瘦了，我都能看出他的根根肋骨来。