insulation
🇬🇧/ˌɪnsjuˈleɪʃ(ə)n/ 🇺🇸/ˌɪnsəˈleɪʃ(ə)n/📚 8619托福Insulation is a thick layer of a substance that keeps something warm, especially a building. 隔热材料
noun [专属名词]隔热，绝缘，隔音；隔热（或绝缘、隔音）材料；隔绝状态
High electricity bills point to a poor heating system or bad insulation.
高额的电费账单表明供暖系统较差或者是隔热材料不好。
单词造句:
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- Better insulation of your home will help to reduce heating bills. 增加房子的隔热性能会有助于减少供暖费用。