基本解释n.碎石；石屑同根派生 英汉例句Effect of ureteroscopic pneumatic ballistic galet in treatment of common bile duct ampulla incarceration calculus(report of 56 cases) 输尿管镜气压弹道碎石在处理胆总管壶腹部嵌顿结石中的作用(附56例分析)