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BNC: 23190 COCA: 24690

insulator

Word family
Related topics: Electricity
in·su·la·tor /ˈɪnsjəleɪtə $ ˈɪnsəleɪtər/ noun [countableC]  
TPEa material or object which does not allow electricity, heat, or sound to pass through it 绝缘体;隔热材料;隔音材料 OPP conductor
 Wood is an excellent insulator.
木材是很好的绝缘体。
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in·su·la·tor noun
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