首先，它使我们健康。我们大家都需要新鲜空气；此外，通过晨练，我们增进了健康。

First, it hel to keep us fit. We all need fresh air. Besides, by taking morning exercises we can improve our health.

youdao

首先，它使我们健康。我们大家都需要新鲜空气；此外，通过晨练，我们增进了健康。

First, it hel to keep us fit. We all need fresh air. Besides, by taking morning exercises we can improve our health.

youdao