Naturally, your long endurance workouts can be done only so fast, but the idea is to do them at a very challenging pace for the duration.

自然地，您的长距离耐力训练也可以跑这样快，但是，在这个阶段，最好能以更具挑战性的配速进行。

youdao

Naturally, your long endurance workouts can be done only so fast, but the idea is to do them at a very challenging pace for the duration.

自然地，您的长距离耐力训练也可以跑这样快，但是，在这个阶段，最好能以更具挑战性的配速进行。

youdao