单词	insulation
释义	in·su·la·tion (ĭn′sə-lāshən, ĭns′yə-) n. 1. The act of insulating or the state of being insulated. 2. A material or substance used in insulating: soundproof cork insulation; a layer of trapped air that serves as insulation.
随便看	subcontractor subcontrary subcortex subcortical subcortically subcritical subcultural subculture subcutaneous subcutaneously subcutis subdeacon subdeb subdebutante subdermal subdermally subdiaconal subdiaconate subdirectory subdiscipline subdivide subdivider subdivision subdivisional subdominant

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