词汇	貞古
释义	貞古 zhēn gǔ純真古樸。
随便看	Series of books about agriculture Series of Cable Distributive Box series of ca-mg fertilizer series of cases series of cells series of central master-keyed locks series of characters series of commutator subgroups series of compounds series of computers series of concept Series of condensator fan electricity Series of constant terms series of courses series of cross-stop series of curve series of curves series of decreasing power series of decreasing powers series of deductions series of derived groups Series of detectors series of dispel virus and pox series of distribution series of drop-out type fuse