nail bed
noun /ˈneɪl bed/
/ˈneɪl bed/
- the layer of cells that lies under a fingernail or a toenail
指甲床：位于指甲或脚趾甲下方的一层细胞 - While the nail is dead tissue, the nail bed is alive and growing.
而指甲是死组织，甲床是活的，是生长的。
- While the nail is dead tissue, the nail bed is alive and growing.