词根词缀：muni-, muner-, mun-

【来源及含义】Latin: service, performing services; duty, receiver of duties; office, function; gift

【同源单词】autoimmune, immune, immunity, immunization, immunize, municipal

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