相關(guān)單詞近義詞 Permian period 二疊紀臨近詞permissible, permeate, permian clay, Permian system, permian basalt, Permian period, Permian basalts, Permian section, Permian sandstone, Permian-Jurassic, Permian/Triassic, Permian igneous rocks 返回 permian