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1. (尤指在皮肤上擦液体或护肤霜时用的)药棉,脱脂棉Cotton wool is a soft mass of cotton, used especially for applying liquids or creams to your skin.
1. soft silky fibers from cotton plants in their raw state
Synonym: cottoncotton fiber
多通过句子记忆单词,而不是单独死记硬背。