speed up片语动词

加速、加快

The train sped up once it left the station.

火车离站后就加速了。

使加快、促进、赶进度可拆开

New software could speed up the whole approval process.

新软体可以让整个审批流程快很多。

快一点、动作快些口语

Could you speed it up a bit? We're running late.

你能不能快一点？我们要迟到了。

加速、提速、增速

The report noted a clear speedup in economic growth this year.

报告指出今年经济增长明显加速。