The train stopped to pick up passengers then it picked up speed.

火车停下来中途搭载旅客然后增加速度前进。

youdao

Mr Obama's train is picking up speed.

奥巴马的火车提速了。

youdao

The train slowed down [up] its speed.

火车的速度慢下来。

youdao

The train picked up speed.

火车加快了速度。

youdao

Traveler: Can you please speed up?I am catching the train.

游客：你能快点吗？我要赶火车。

youdao

Boarding a moving train: The way to speed up rail travel?

登上移动的列车：这是加快铁路旅行的方式吗？

youdao

Boarding a moving train: The way to speed up rail travel?

登上移动的列车：这是加快铁路旅行的方式吗？

youdao