cotton wool

noun
🔊/ˌkɒtn ˈwʊl/
🔊/ˌkɑːtn ˈwʊl/
(British English)
(US English (absorbent) cotton)
[uncountable]
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  1. a soft mass of white material that is used for cleaning the skin or a wound药棉;脱脂棉
    • cotton wool balls药用棉球
    Topics Appearancec2
    Oxford Collocations DictionaryCotton wool is used before these nouns:
    • pad
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