chosure of pores

例句：

1. 1.The skin is the largest organ in our body and it has a lot of pores.
   皮肤是我们身体最大的器官，有很多毛孔。
2. 2.The doctor advised me to keep my skin clean and free from dirt and dust.
   医生建议我保持皮肤清洁，避免灰尘和污垢。
3. 3.The pores on the skin are small openings that allow air and moisture to pass through.
   皮肤上的毛孔是小开口，允许空气和水分通过。