gland cover

例句：

1. 1. The skin is covered with a layer of oily glands.
   皮肤上覆盖着一层油脂腺。
2. 2. The plant has a glandular cover to protect its seeds from predators.
   这种植物有腺体覆盖，以保护其种子免受捕食者的伤害。
3. 3.The glandular cover on the leaves helps to trap moisture and prevent water loss.
   叶片上的腺体覆盖有助于捕捉水分并防止水分流失。