stone removal的用法和样例：
例句
- The keys of treatment are to incise the left and right bile duct and remove stone under direct vision and dilate the bile duct stricture.
左右肝管切开，直视下取石及狭窄扩张是尾状叶胆管结石治疗的关键。 - A local warrior named Zhang PengYingwu immediately the rate of people fleeing the mountains to collect stone stockade, it was dangerous to guard, so that people survived.
当地一名叫张鹏的勇士忠毅英武，立即率百姓逃上山去，取石砌寨，据险把守，使百姓幸免于难。
