upturnWiktionary 原文英/ˈʌp.tɜːn/美/ˈʌp.tɝn/n.情况好转，向上趋势v.(使)向上，转朝上，翻转中文释义来自 ECDICT构词拆解upup-前缀turnturn词干up-Used to indicate increase. · Used to indicate higher position or direction, literally or figuratively.词源链原始词根原始印欧语Proto-Indo-European约前 4500–前 2500 年*terh₁-中古英语Middle English约 1150–1500 年upturnen↓ 继承英语Englishupturn词源说明From Middle English upturnen, equivalent to up- + turn.释义名词noun1An upward turn or trend, especially in business activity or profit.动词verb1To turn (something) up or over.同族词