The university takes cotton wool for students' life and puts it in the dormitory for students to sleep in the morning and evening. At present, you don't need to bring your own cotton wool to college, you can buy it directly at school.

Absorbent cotton, a tire made of cotton fiber, can be covered with absorbent cotton.

The first scene of Hong Shen fragrant rice: "I have a cotton-padded jacket on me, and I haven't changed cotton wool for three years." Ding Ling's Ben: "On the bed, a woman curled up in cotton wool also groaned and asked,' Are you a fool?' "