2. My best sweater is covered with fluff . 我那件最好的毛衣上满是绒毛。
3. Courtship will include display in which the male fluff up his feather. 求偶的表现包括雄鸟抖松羽毛的炫耀行为。
英英解释
n.
1. any light downy material
2. something of little value or significance
3. a blunder (especially an actor's forgetting the lines) v.
1. make a mess of, destroy or ruin
2. erect or fluff up
3. ruffle (one's hair) by combing towards the ends towards the scalp, for a full effect