permians /'pə:miən/ 📖 中文释义 a. 二叠纪的n. [地质] 二叠纪 🔗 释义中的汉语词二叠纪 📘 English Definition(英文释义) n. pl. A tribe belonging to the Finnic race, and inhabitinga portion of Russia. ← Permian period P 字母词表 Permic →