If you only train by running slow, you'll only be able to race slow for a long time.

如果您仅仅训练慢跑，您只能在比赛中时间很长的慢慢跑。

youdao

If you only train by running slow, you'll only be able to race slow for a long time.

如果您仅仅训练慢跑，您只能在比赛中时间很长的慢慢跑。

youdao