rachis

rachisrachisD.J.:[ˈreikis]K.K.:[ˈrekɪs]n.1.■叶轴,花轴

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rachis['reikis; 'ræ-]n.1.■= spinal column2.■【植物学】叶轴；花(序)轴3.■【动物学】羽轴；分脊变形n.rachisesrachides

rachisrachis[ˈreikis]n.1.■(pl. rachises [ˈreikisiz], rachides [ˈreikidi:z] )【解】脊椎; 脊柱;【植】花序轴, 叶轴;【动】羽轴; 分脊