肾结石

kidney stones───肾结石（kidneystone的复数）

passing tones───传递音调

kidney stone───n.肾结石

passing interest in───过户权益

passing notes───通行证

passing tone───经过音

paving stones───[公路]铺路薄片石

Children with kidney stones can experience severe pain in their side or stomach when a stone is passing through the narrow ureter through which urine travels from the kidneys to the bladder.───患有肾结石的儿童在尿液从肾通过狭窄的尿管流向膀胱的过程中会在肚子的一边或胃部感觉到剧烈的疼痛。