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....

cottonwood的复数形式为：cottonwoods...

cottons的音标：...

cotton的现在进行时为：cottoning...