Trichostomatida

例句：

1. 1.The trichomes on the skin are responsible for trapping dust and allergens.
   皮肤上的毛状结构负责捕捉灰尘和过敏原。
2. 2. The trichomes in the leaves of a plant can help to protect it from herbivores.
   植物叶子中的毛状结构可以帮助植物抵御食草动物的伤害。
3. 3. The trichomes on the surface of the skin can be used as a natural barrier against infection.
   皮肤表面的毛状结构可以作为天然的屏障，防止感染。