词根词缀：contra-, contro-, counter, contre-

【来源及含义】Latin: against, opposed to, opposite, conflicting, different, clashing, unaccommodating

【同源单词】accounter, acrocontracture, contentious, contraband, contrabandist, contrabass

词根词缀：quasi-

【来源及含义】Latin: appearing as if, as it were, as though; somewhat like, resembling, seemingly; simulating; in a certain sense or degree

【同源单词】quasar, quasi, quasi atom, quasi cash, quasi contract, quasi corporation

词根词缀：tra-, tract-, trac-, -tractive, -traction, -tracting, treat-, trai-

【来源及含义】Latin: drag, draw together; a drawing out or pulling

【同源单词】abstract, abstract, abstracted, abstractedly, abstractedness, abstraction