词根词缀：orc-, orca-

【来源及含义】Greek > Latin: a kind of whale; large sea creature

【同源单词】orca, Orca destructor, Orcinus orca

词根词缀：stru-, struct-, -structure, -struction, -structive

【来源及含义】Latin: to build, to build up; to pile; to construct; to place together, to arrange

【相关词根词缀】 Related "together" units: com-; greg-; inter-.

【同源单词】agroindustrial, agroindustrialist, agroindustrialize, agroindustry, atmospheric structure, beta structure