speed up片語動詞

加速、加快

The train sped up once it left the station.

火車離站後就加速了。

使加快、促進、趕進度可拆開

New software could speed up the whole approval process.

新軟體可以讓整個審批流程快很多。

快一點、動作快些口語

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

你能不能快一點？我們要遲到了。

加速、提速、增速

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

報告指出今年經濟增長明顯加速。