O 开头单词

obstructionist (n.)

obstructionist n. 妨礙者；蓄意阻撓者 adj. 阻撓議事的；蓄意阻撓的

obstructionism (n.)

obstructionism n.妨礙議程的手段；蓄意阻撓

obstruction-guard n.排障器；護欄

obstruction-free 無障礙設計

obstruction-eliminating 開閉法

obstruction theory 障礙論

obstruction of lacrimal duct [毉葯科學]淚道阻塞

obstruction of justice 妨礙司法公正；阻礙司法

obstruction cocycle [數學]障礙閉上鏈

obstruction beacon [航空、航天科學技術]障礙物立標

obstruction (n.)

obstruction n.障礙；妨礙；閉塞；違例阻擋

obstructing v. 妨礙（obstruct的ing形式）；阻塞

obstructer n.障礙物；攔路虎；起阻礙作用的人=obstructor.

obstructed adj. 阻塞的；梗阻的，不通的 v. 阻塞；妨礙；遮住（obstruct的過去分詞形式）

obstruct wilfully 橫加阻梗

obstruct unreasonably 橫加阻梗

obstruct from v. 阻擋