Methods Endoscopic lithotripsy with the holmium: YAG laser was performed on 12 children with gastric bezoars.
方法采用钬激光对12例胃石症患儿进行了胃镜下激光碎石治疗。
It is impossible to let the vacuuming go for too long, lest the bezoars (new vocabulary word) become large enough to choke a tiger.
也不可能吸尘太久，以免内袋变大到能噎死一只老虎。
It is impossible to let the vacuuming go for too long, lest the bezoars (new vocabulary word) become large enough to choke a tiger.
也不可能吸尘太久，以免内袋变大到能噎死一只老虎。
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