introduce词根词缀分析
introduce:(intro进入+duce→引进,介绍) introduce : [intro-=into进；duc=to lead引导；-e→“to lead into引进”→] introduce : intra-,在内，-duc,引导，词源同duct,induce....
introduce:(intro进入+duce→引进,介绍) introduce : [intro-=into进；duc=to lead引导；-e→“to lead into引进”→] introduce : intra-,在内，-duc,引导，词源同duct,induce....