n.角质层，表皮，小（角）皮

The cuticula of the insect is hard and protective.
昆虫的表皮坚硬且有保护作用。
The plant's cuticula prevents water loss.
植物的角质层防止水分流失。
Damage to the cuticula can make the skin more susceptible to infections.
表皮受损会使皮肤更容易感染。
The cuticula acts as a barrier against environmental pollutants.
角质层作为屏障抵御环境污染物。
Fungi can penetrate the plant's cuticula, causing disease.
真菌能穿透植物的角质层，引发疾病。
Regular exfoliation helps remove dead cells from the cuticula.
定期去角质有助于去除表皮上的死细胞。
The cuticula plays a crucial role in maintaining the structural integrity of leaves.
角质层在保持叶片结构完整中起着关键作用。
Some insects produce wax to reinforce their cuticula.
一些昆虫产生蜡来强化它们的表皮。
Sunscreen protects the skin's cuticula from harmful UV rays.
防晒霜保护皮肤的角质层免受有害紫外线伤害。
Pests often secrete enzymes that break down the plant's cuticula for easier feeding.
害虫常分泌分解植物角质层的酶以便于取食。