单词 | rev |
释义 | noun | verb revrev1 /rɛv/ noun [countable] informal a complete turn of a wheel or engine part, used as a unit for measuring the speed of an engine SYN revolution noun | verb revrev2 verb (revved, revving) [intransitive, transitive] (also rev up) if you rev an engine, or if an engine revs, you make it work faster: Joe revved up his motorcycle.rev up phrasal verb rev (something ↔) up informal if you rev up a system or organization, or it revs up, it becomes more active: The phone companies are revving up their marketing campaigns. → see also revved up |
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