pore solitary

例句：

1. 1. The skin has many tiny pores that allow air to circulate.
   皮肤有许多细小的毛孔，允许空气流通。
2. 2. The scientist discovered a new way to extract oil from the plant.
   科学家发现了一种从这种植物中提取油的新方法。
3. 3. The artist used pore-filling techniques to create texture in his paintings.
   艺术家使用填充技术在他的画中创造出纹理。