a thing or substance used for insulation, in particular
隔离物,尤指:
a substance which does not readily allow the passage of heat or sound
隔热物;隔音物
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cotton is a poor insulator .棉花隔热性能差。
 
a substance or device which does not readily conduct electricity
绝缘体;绝缘装置。
a block of material, typically glass or ceramic, enclosing a wire carrying an electric current where it crosses a support
绝缘子。
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insulatorn.隔离物;绝缘子;绝缘体;绝缘装置;隔热物;隔音物
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insulationn.隔音;隔热;绝缘;隔离;隔绝状态;隔音(或隔热、绝缘)材料