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：vall-

【来源及含义】Latin: wall, rampart; row or line of stakes

【同源单词】circumvallate, circumvallation, contravallation, interval, obvallate, wall