obstruction
n. 阻挠，妨碍；堵塞；障碍物；阻塞，梗阻；（体育项目中的）阻挡犯规
复数 obstructions
例句
The boy was suffering from a bowel obstruction.
那男孩当时在受肠梗阻之苦。
《柯林斯英汉双解大词典》
He had an operation to remove an obstruction in his throat.
他做了手术，取出喉头的阻塞物。
《牛津词典》
John was irritated by drivers parking near his house and causing an obstruction.
约翰被众司机在他房子附近停车而造成阻塞所激怒。
