层: I storey; tier; stratum论: The Analects of Confucius教育成层论: educational stratification中国经理人自我发展高层论坛: cmf层脉混合岩: arteric migmatite层峦隐现: distant mountain ranges can be glimpsed through the clouds层慢度模型: interval slowness model层峦耸翠: the high peaks rising in emerald verdure.; the ranges of hills are covered with verdure层门: hall door层峦节: s>ran bushi; sran bushi层门，厅门: hall door; landing door层峦叠嶂: layer upon layer of peaks and knolls; layer upon layer of mountains; multiple ranges of hills; peaks rising one higher than the other; range upon range of hills层门安全开关: lading door safety switch; landing sagety edge层滤机: metafilter
