1. He dabbed the wound on her arm gently with cotton wool.
   他用药棉轻擦她胳膊上的伤口.
2. He could not distinguish cotton from wool.
   他不能辨认是棉花还是羊毛。
3. She dabbed at the cut with cotton wool.
   她用药棉轻轻地按了按伤口.
4. You shouldn't wrap your children in cotton wool.
   你不该对孩子娇生惯养.
5. She keeps all her children wrapped up in cotton wool.
   她把子女照顾得未免过头了.

　1个名词解释