详细解释:vt. (使)成层
【经】 分层
词型变化：
动词过去式:stratified过去分词:stratified现在分词:stratifying第三人称单数:stratifies英语解释：
动词 stratify:
divide society into social classes or castesform layers or stratadevelop different social levels, classes, or castesform, arrange, or deposit in layersrender fertile and preserve by placing between layers of earth or sand