# permian ##### 词义 - 英：/ˈpɜːmɪən/； 美：/ˈpɜrmiən/ - #词性/adj 二叠纪的； - #词性/n 二叠纪；二叠系；二叠世；二叠 ##### 例句 - Reef building model for the Permian organic reefs in South China - 华南二叠纪生物成礁模式探讨 - Characteristics and Correlation of Permian Depositional Sequences in South China - 中国南方二叠纪层序地层划分与对比 - The Permian system of East Henan is well developed and widely distributed . - 豫东二叠系发育良好，分布普遍。