skin hole

例句：

1. 1.The skin is the outer layer of the body, and it has many small pores.
   皮肤是身体的外层，有许多小孔。
2. 2.The scientist discovered a new way to open these skin holes for better ventilation.
   科学家发现了一种新的方法来打开这些皮肤孔，以便更好的通风。
3. 3. The doctor advised him to keep his skin clean and free from any skin holes that might cause infection.
   医生建议他保持皮肤清洁，避免任何可能导致感染的皮肤孔。