obstruction

obstruction menses

[医] 经血滞留

obstruction of justice

阻碍司法

obstruction of police

[法] 妨害警察执行任务

obstructionism

n. 妨碍议程的手段,蓄意阻挠

obstructionist

[法] 妨碍会议议事者

obstructionistic

a. obstructionist的变形

obstructionists

(obstructionist 的复数) [法] 妨碍会议议事者

obstructions

n. 障碍物( obstruction的复数形式 ); 阻碍物; 阻碍; 阻挠