n.表皮；外皮；角质层
The old cuticle is digested by molting fluid. 旧表皮被蜕皮液消化。
Don't cut too much of my cuticle. 我指甲旁的表皮不要剪得太深。
The reform has hardly made a scratch upon the cuticle of affairs . 改革几乎还没有触到事物的表皮。
Fortunately the cut didn't reach the cuticle. 庆幸的是伤口没有触到角质层。
角质层
