One common treatment for kidney stones -- called lithotripsy -- breaks up larger stones into smaller ones.

常见的肾结石治疗方法是碎石术，是指将较大的结石分解开来。

Extracorporeal shock wave lithotripsy uses high-intensity pulses of focused ultrasonic energy aimed directly at the stone.

体外冲击波碎石术使用聚焦超声能量的高强度脉冲直接瞄准结石。