a component or accessory added to something after it has been manufactured
the act of adding a component or accessory to something that did not have it when it was manufactured
例句
用作名词 (n.)
Investing in, for instance, retrofitting buildings to make them more energy-efficient would create far more jobs. 例如,为建筑翻新投资,使建筑更有效用能,讲创造更多的工作。
Retrofitting existing buildings in the United States to be more energy-efficient is a lot harder than building green ones in China from scratch. 在美国翻新现有房屋更加高效节能,但对于中国从零开始更为容易。