词根词缀:re-, red-
【来源及含义】Latin: back, backward, again; used as a prefix
【同源单词】recalcitrant, recant, recapitulate, recapitulation, recede, receipt
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