O 开头单词

obstructionist (n.)

obstructionist n. 妨碍者；蓄意阻挠者 adj. 阻挠议事的；蓄意阻挠的

obstructionism (n.)

obstructionism n.妨碍议程的手段；蓄意阻挠

obstruction-guard n.排障器；护栏

obstruction-free 无障碍设计

obstruction-eliminating 开闭法

obstruction theory 障碍论

obstruction of lacrimal duct [医药科学]泪道阻塞

obstruction of justice 妨碍司法公正；阻碍司法

obstruction cocycle [数学]障碍闭上链

obstruction beacon [航空、航天科学技术]障碍物立标

obstruction (n.)

obstruction n.障碍；妨碍；闭塞；违例阻挡

obstructing v. 妨碍（obstruct的ing形式）；阻塞

obstructer n.障碍物；拦路虎；起阻碍作用的人=obstructor.

obstructed adj. 阻塞的；梗阻的，不通的 v. 阻塞；妨碍；遮住（obstruct的过去分词形式）

obstruct wilfully 横加阻梗

obstruct unreasonably 横加阻梗

obstruct from v. 阻挡