Note your heart rate when you are at this point. This is your Lactate Threshold.

当您达到那一刻之时，记下您的心率，这就是您的乳酸门槛。

youdao

Step one is to determine what's called your lactate threshold heart rate.

第一步，您必须确定所谓的乳酸门槛心率。

youdao

Step one is to determine what's called your lactate threshold heart rate.

第一步，您必须确定所谓的乳酸门槛心率。

youdao