An adhesive bandage (sticking plaster/band-aid) used to cover and protect small cuts or scrapes.
転んで膝を擦りむいたので、絆創膏を貼った。
I fell and scraped my knee, so I put on an adhesive bandage.
薬箱の中に絆創膏が何枚か入っていると安心だ。
It's reassuring to have a few adhesive bandages in the first-aid kit.
子どもが泣いていたが、絆創膏を貼るとすぐに元気になった。
The child was crying, but after applying a bandage they quickly cheered up.