基本解释n.丝线；丝棉；牙线v.用牙线清洁牙齿同根派生 英汉例句用作名词 (n.)This kind of floss is used for embroidery.这种丝线用来刺绣。I like to use dental floss rather than toothpick.我喜欢使用牙线而非牙签。用作动词 (v.)Make sure that you floss your teeth every night.记得每天晚上都要用牙线来清洁牙齿。