她在海边戴了一条蓝色印花大手帕作为装饰。

She wore a blue printed ___bandanna around her neck as an accessory at the beach.

骑摩托车时，他用一条彩色大手帕遮住脸来阻挡灰尘。

He wore a colorful ___bandanna over his face to block the dust while riding his motorcycle.