词根词缀：antero-

【来源及含义】Latin: before, in front of; fore, prior, preceding; used as a prefix

【相关词根词缀】 Related before-word units: ante-; anti-; pre-; pro-.

【同源单词】anterodorsal, anteroexternal, anterofrontal, anterograde, anteroinferior, anterointernal

词根词缀：grad-, -grade, -gred, -gree, -gress

【来源及含义】Latin: walk, step, take steps, move around; walking or stepping

【同源单词】ad eundem gradum, aggradation, aggression, aggressive, aggressively, aggressiveness