词根词缀：alto-, alt-, alti-

【来源及含义】Latin: high, highest, make high; tall, lofty

【同源单词】Ab alio expectes, Alta pete, altar, altar, altazimuth, altigraph

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