当火车进站时，它的速度慢了下来。

The train slowed down as it approached the station.

youdao

火车快进站时，开始慢了下来。

The train slacked up as it came into the station.

youdao

火车快进站时，开始慢了下来。

The train slacked up as it came into the station.

youdao