cuticular layer

例句：

1. 1. The skin is made up of several layers, including the cuticle and the epidermis.
   皮肤由几层组成，包括角质层和表皮层。
2. 2. The scientist studied the structure of the cuticle layer in the ant's feet.
   科学家研究了蚂蚁脚上的角质层结构。
3. 3. The researchers found that the cuticle layer plays a crucial role in protecting the plant from damage.
   研究人员发现角质层在保护植物免受损害方面起着至关重要的作用。