retrofitKK [ˋrɛtroˏfɪt] /ˈɹɛtɹoʊˌfɪt/发音动词1改装、加装They retrofitted the old buses with electric motors last year.他们去年把旧巴士改装成电动马达。2翻新、改善、升级多指建筑或设备The city plans to retrofit public buildings to save energy.市政府打算翻新公共建筑以节省能源。名词1改装工程、翻新工程The seismic retrofit of the bridge took almost two years.这座桥的耐震改装工程花了将近两年。2加装件、改装零件A simple retrofit can make the heater far more efficient.一个简单的加装件就能让暖气效率大幅提升。形容词1改装的、加装的The company sells retrofit kits for older bicycle models.这家公司贩售旧款自行车的改装套件。用这个字练口说→