fourfoldKK [ˏfɔrˋfold] /ˌfɔɹˈfoʊld/發音形容詞1四倍的The report noted a fourfold increase in online orders last year.報告指出去年網路訂單成長了四倍。2四重的、由四部分組成的正式Their strategy rests on a fourfold plan for city development.他們的策略建立在一套四重的城市發展計畫上。副詞1四倍地Housing prices in this district have risen fourfold in a decade.這一區的房價十年來漲了四倍。