在低强度训练时，人体能够提供足够的氧气，发生脂肪代谢。

During lower intensity exercise the body is able to supply enough oxygen for fat metabolism to occur.

youdao

因此，每天进行一小时心血管训练，随着他的身体逐渐适应那一小时低强度训练，最终，训练效果将停滞不前。

So doing an hour of cardio training per day will eventually lead to stagnation as the person's body becomes adapted to that one hour of low-intensity exercise demand.

youdao

因此，极可能是，和其它类型的训练可能不适合所有的情况一样，长时间的低强度运动不一定对每一个人都有好处。

Thus, it may well be that long periods of low intensity exercise may not be good for everyone, just as other types of training may not be applicable in all situations.

youdao