Remember how you set up three databases at the beginning of this exercise?

还记得在本练习开始时如何设置三个数据库的情况吗？

youdao

Exercise is defined as a sub - set of physical activity.

练习被定义为体能活动的子组。

youdao

Exercise is defined as a sub - set of physical activity.

练习被定义为体能活动的子组。

youdao