obstructionn.障碍;妨碍;闭塞;违例阻挡
obstruction period of traffic阻车时间
obstruction of urinary system泌尿系统梗阻
obstruction of cisterna chyli乳糜池梗阻
obstruction of fallopian tube输卵管梗阻
obstruction of small intestine小肠梗阻
obstruction of eustachian tube咽鼓管阻塞
obstruction of digestive tract消化道梗阻
obstruction of translatability可译性的障碍