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.
虽然指甲是死亡组织，但甲床却是活的并且正在生长。
- While the nail is dead tissue, the nail bed is alive and growing.