| 单词 | polyfoam |
| 释义 | polyfoam in American English (ˈpɑliˌfoum) noun a rigid, semirigid, or rubbery foam composed of minute bubbles of air or carbon dioxide embedded in a polymer matrix, often polyurethane: used in mattresses, padding, insulation, etc Word origin [poly- + foam]Examples of 'polyfoam' in a sentence |
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