dental floss
US /ˈden.təl flɑːs/
UK /ˈden.təl flɑːs/

1.
牙線
a soft thread for cleaning between the teeth
:
•
Remember to use dental floss daily for better oral hygiene.
記住每天使用牙線以獲得更好的口腔衛生。
•
She always carries a small pack of dental floss in her purse.
她的錢包裡總是裝著一小包牙線。