swab
US /swɑːb/
UK /swɑːb/

1.
棉籤, 拭子
a small piece of absorbent material used for cleaning wounds, applying medication, or collecting specimens
:
•
The nurse used a cotton swab to clean the cut.
護士用棉籤清潔傷口。
•
They took a throat swab to test for the infection.
他們取了喉嚨拭子進行感染檢測。