the rough silk enveloping a silkworm's cocoon (蚕茧外的)乱丝,绪丝 ■(亦作 floss silk)untwisted silk fibres used in embroidery (未捻的)绣花丝线 ■the silky down in maize and other plants (玉米等植物的)黍须,绒毛 milkweed floss. 马利筋的绒毛。
short for dental floss dental floss 的简称
verb
[with obj.]clean between (one's teeth) with dental floss 用牙线清洁(牙缝) I flossed my teeth. 我用牙线清洁牙齿。 [no obj.]you must floss well. 你必须好好用牙线清洁牙齿。
语源
mid 18th cent.: from French (soie) floche 'floss (silk'), from Old French flosche 'down, nap of velvet', of unknown origin