Smudge the outline using a cotton-wool bud.用一根棉签把轮廓抹花。He gently dabbed at his cuts with a piece of cotton wool.他用一块药棉轻轻按了按伤口.I tried to say something, but my mouth was full of cotton wool.我想说句话, 但我嘴里塞满了药棉....

n.原棉，棉絮，化妆棉...

cotton wool的音标：cotton wool的英式发音音标为：['kɔtən wul]cotton wool的美式发音音标为：['kɑtn wʊl]...