牙线 yáxiàn dental floss Origin Definitions Defs Strokes Stroke Words Sentences Sents 2 sentences 刷牙、用牙线洁牙、洗脸。 shuā yá, yòng yáxiàn jié yá, xǐ liǎn. Brush and floss your teeth and wash your face. Source: AI Challenger 2017当时她正在用牙线剔牙。 dāngshí tā zhèngzài yòng yáxiàn tī yá. She was flossing her teeth at the time. Source: AI Challenger 2017