It is, in fact, a primitive type of calendar.

事实上是一种最原始的日历。

youdao

They have found that it is connected with the passage of days and the phases of the moon. It is, in fact, a primitive type of calendar.

他们发现代码与昼夜更迭和月亮圆缺有关，事实上是一种最原始的日历。

youdao

They have found that it is connected with the passage of days and the phases of the moon. It is, in fact, a primitive type of calendar.

他们发现代码与昼夜更迭和月亮圆缺有关，事实上是一种最原始的日历。

youdao