http://image.baidu.com/i?z=&s=1&ct=201326592&cl=2&lm=-1&tn=baiduimage&word=%C8%ED%B9%C7%D3%E3&pic=1(软骨)http://image.baidu.com/i?z=&s=1&ct=201326592&cl=2&lm=-1&tn=baiduimage&word=%D3%B2%B9%C7%D3%E3&pic=1(硬骨)