Learner's definition of FLOSS
[noncount]
2
: soft silk or cotton thread used for sewing(縫紉用的)絲線,棉線
2 floss /ˈflɑːs/ verb
flosses; flossed; flossing
flosses; flossed; flossing
Learner's definition of FLOSS
: to use dental floss to clean your teeth用牙線清潔牙齒 [no object]
[+ object]