insulated

adj protected in this way （受到）绝缘的, 隔热的, 隔音的: an insulated wire, ie to avoid an electric shock 绝缘电线 * a well-insulated house, ie to avoid loss of heat 隔热性能良好的房子.

instructions, instructive, instructively, instructor, instrument, instrumental, instrumentalist, instrumentality, instrumentation, insubordinate, insubordination, insubstantial, insufferable, insufferably, insufficiency, insufficient, insufficiently, insular, insularity, insulate, insulating, insulating tape, insulation, insulator, insulin, insult, insulting, insuperable, insuperably, insupportable, insurance, insurance broker, insurance policy, insurance premium, insure, insured, insurer, insurgent, insurmountable, insurrection,