单词	U-value
释义	U-value noun U-val·​ue ˈyü-ˌval-(ˌ)yü  : a measure of the heat transmission through a building part (such as a wall or window) or a given thickness of a material (such as insulation) with lower numbers indicating better insulating properties compare r-value Word History Etymology unit First Known Use 1949, in the meaning defined above
随便看	antilopes antimacassar antimacassars antimacho antimagmatist glowed glower glowered glowering gloweringly glowers glowflies glowing glowing cloud glowinglier glowingliest glowingly glowlamps glowr glows glowworm glowworms gloxinia gloxinias gloy

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