Moderate exercise, fresh air, and enough sleep are essential for the preservation of good health.

适当的运动、新鲜的空气和充足的睡眠对于保持健康是非常必要的。

youdao

Moderate exercise, fresh air, and enough sleep are essential for the preservation of good health.

适当的运动、新鲜的空气和充足的睡眠对于保持健康是非常必要的。

youdao