ob·struc·tion/əb`strʌkʃən; əbˈstrʌkʃən/ n 1 a) [C] something that blocks a road, tube etc 〔堵塞道路、管道等的〕障碍物，阻塞物 b) [singular 单数，U] when a road, tube etc is blocked 〔道路、管道等的〕阻塞，堵塞: The accident caused an obstruction on the freeway. 那宗事故阻塞了高速公路。 2 [U] when someone tries to prevent a legal or political process 〔对法律或政治程序的〕阻挠: an obstruction of justice 妨碍司法公正