unicellular hair

例句：

1. 1. The unicellular hair on the skin is very sensitive to touch.
   皮肤上的单细胞毛发对触摸非常敏感。
2. 2.This type of hair is used in medical treatments for its unique properties.
   这种头发因其独特的性质而被用于医疗治疗。
3. 3. The unicellular hairs are arranged in a pattern that helps protect the plant from predators.
   这些单细胞毛发以某种模式排列，帮助植物抵御捕食者。