| 短语 | rev up |
| 释义 | rev up informalif you rev up a system or organization, or if it revs up, it becomes more active（使）更积极;（使）更活跃:[+ for ]•They are revving up for one of the biggest fund-raising events ever organized.他们正在积极准备举办一场最大的募捐活动。rev sth ↔ up •Investors keep putting money in U.S. companies, revving up the economy even more.投资者继续投资美国公司，这就更加促进了经济的发展。 |
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