杰克告诉我们，所有这一切在我们(本次文明)之前就发生过：这种灾难性事件是周期循环的。

All this, Jake had told us, had happened before: the catastrophic events are cyclic.

youdao

杰克告诉我们，所有这一切在我们(本次文明)之前就发生过：这种灾难性事件是周期循环的。

All this, Jake had told us, had happened before: the catastrophic events are cyclic.

youdao