他们以相当快的速度离开了。

They went at a pretty good pace.

youdao

司机可以利用操纵杆之类的来控制方向和速度，这样车辆可以原地旋转并加速得相当快。

Drivers use a joystick of sorts to steer and throttle the vehicle, which can spin in place and accelerates rather quickly.

youdao

孩子们学习这些课的速度差别相当大。

Children vary considerably in the rate at which they learn these lessons.

《柯林斯英汉双解大词典》

The rate of harmonic change has slowed down considerably here.

泛音的变化速度减得相当慢。

耶鲁公开课 - 聆听音乐课程节选