speed up造句

Action had been taken to speed up the release of cheques.
已经采取行动加速支票的发放。

Increasing gravity is known to speed up the multiplication of cells.
我们知道不断增加的引力会加速细胞的分裂。

We'll never get there if he doesn't speed up.
如果他不快些走,我们一定到不了那里.