primary cuticula

例句：

1. 1. Theprimary cuticula is responsible for protectingthe skin from harmful UV rays.
   初级皮肤层负责保护皮肤免受有害的紫外线伤害。
2. 2.During the initial stages of wound healing,the primary cuticula plays a crucialrole in regenerating new skin cells.
   在伤口愈合的初期阶段，初级皮肤层在再生新皮肤细胞中起着至关重要的作用。
3. 3. The primary cuticula containsspecialized cells that produce proteins and lipidsessential for skin health.
   初级皮肤层包含特殊的细胞，它们产生对皮肤健康至关重要的蛋白质和脂质。