n.丝线
v.用牙线剔(牙)

原形：floss第三人称单数：flosses复数：flosses过去式：flossed过去分词：flossed现在分词：flossing

I need to floss more often to keep my teeth healthy.
我需要更频繁地使用牙线以保持牙齿健康。
She recommended using dental floss after every meal.
她建议每餐后使用牙线。
He always forgets to floss before going to bed.
他总是忘记在睡觉前使用牙线。
The dentist showed me the proper way to floss.
牙医向我展示了正确的使用牙线的方法。
Make sure to floss between all your teeth, not just the front ones.
确保在所有牙齿之间使用牙线，而不仅仅是前面的牙齿。
Using floss can help prevent gum disease.
使用牙线可以帮助预防牙周病。
My tooth feels loose; maybe I should start flossing more regularly.
我的牙齿感觉松动；也许我应该开始更定期地使用牙线。
Flossing is an important part of maintaining good oral hygiene.
使用牙线是维护良好口腔卫生的重要部分。
I always carry a small pack of floss in my purse for emergencies.
我总是在包里携带一小包牙线以备不时之需。
Flossing can also help remove stains from your teeth.
使用牙线也可以帮助去除牙齿上的污渍。