velamen 的定义
plural ve·lam·i·na [vuh-lam-uh-nuh]. /vəˈlæm ə nə/.
- Anatomy. a membranous covering; velum.
- Botany. the thick, spongy integument or epidermis covering the aerial roots of epiphytic orchids.
⚽高中词汇船帆帆船风帆帆
plural ve·lam·i·na [vuh-lam-uh-nuh]. /vəˈlæm ə nə/.