obstructionn.障碍;妨碍;闭塞;违例阻挡
obstinateadj.固执的;倔强的;不易屈服的;(病)难治的
obstructern.障碍物;拦路虎;起阻碍作用的人=obstructor.
obstructorn.妨害者;妨碍物
obstructus堵塞的
obstructedadj.阻塞的动词obstruct的过去式和过去分词形式.
obstructiveadj.阻碍的;妨碍的;阻塞性的n.妨碍物;障碍
obstruct fromv.阻挡
obstructivityn.引起阻塞; 阻碍; 防碍议事
obstruct n.妨碍(阻塞);
obstructivelyadv.阻碍地
obstruct v.阻隔,阻塞;