floss

牙线

The dentist gave me a free toothbrush and a spool of floss.

牙医给了我一支免费牙刷和一卷牙线。

绣线、丝线

She sorted her embroidery floss by color before starting.

她开始动工前先把绣线按颜色分类。

棉花糖英式

The children shared a huge stick of pink floss at the fair.

孩子们在游乐会上分吃一大支粉红色棉花糖。

用牙线清洁

You should floss at least once a day.

你每天至少应该用牙线清洁一次。

炫耀、摆阔口语

He was flossing with his new watch all night.

他整晚都在炫耀他的新手表。