| 释义 |
per·i·derm AHD[pĕrʹĭ-dûrm'] D.J.[ˈperɪˌdɜːm]K.K.[ˈpɛrɪˌdɝm]n.（名词）- The outer layers of tissue of woody roots and stems, consisting of the cork cambium and the tissues produced by it, such as cork.周皮：木质根或干的外层组织，包括软木形成层和形成层的产物，如软木
per'iderʹmal 或 per'iderʹmic adj.（形容词） |