obstruction
/əbˈstrʌkʃən/noun
mass noun
1- the action of obstructing or the state of being obstructed阻碍; 受阻：
they faced obstruction in carrying out their research
他们在展开调查时遇到了阻碍
walkers could proceed with the minimum of obstruction.
行人可以在受阻最小的情况下前进。
1.1
- count noun a thing that impedes or prevents passage or progress; an obstacle or blockage障碍物; 阻塞物：
the tractor hit an obstruction.
拖拉机撞上了一个障碍物。
1.2
- (in various sports) the action of unlawfully obstructing a player in the opposing team（体育运动中的）阻挡行为。
1.3
- Medicine blockage of a bodily passage, especially the gut【医】（尤指肠道）梗阻：
they presented with severe intestinal obstruction.
他们表现出严重的肠梗阻。
1.4
- Law the action of impeding the movement of traffic on a highway【律】（在公路上）妨碍交通。
1.5
- Law the action of deliberately hindering the police in their duties【律】妨碍警方执行公务。
词源
mid 16th cent.: from Latin obstructio（n-）, from the verb obstruere （see OBSTRUCT）.