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:sign-
【来源及含义】Latin: mark, token, indication; a fact, a condition, or a quality
【同源单词】assign, assignable, assignably, assignation, assignee, assigner