photovoltaicKK [ˏfotəˏvolˋteɪk] /ˌfoʊtəˌvoʊlˈteɪɪk/發音形容詞1光電的、光伏的、太陽能發電的They installed photovoltaic panels on the roof to cut electricity costs.他們在屋頂裝了太陽能光電板,以降低電費。名詞1光電技術、太陽能發電常用複數Photovoltaics has become much cheaper over the past decade.光電技術在過去十年間變得便宜許多。