varicosity

例句：

1. 1. The varicosity of the veins in the skin is what makes it so sensitive to touch.
   皮肤中的静脉的多血管性使得它对触摸非常敏感。
2. 2. Varicosities are small, bulging veins that can be seen on the surface of the skin.
   可见于皮肤表面的小、隆起的静脉称为静脉曲张。
3. 3. The varicosity of the veins in the skin is what makes it so sensitive to touch.
   皮肤中的静脉的多血管性使得它对触摸非常敏感。