exodus

例句：

1. 1. The group was forced to flee from their homeland due to political unrest.
   由于政治动荡，该团体被迫逃离他们的祖国。
2. 2.The tyrant's reign was marked by the constant exodus of his subjects.
   暴君的统治以他的臣民不断的逃亡而著称。
3. 3.The ancient city was abandoned for centuries before it was reclaimed by the new generation.
   这个古城在被新世代重新占领之前，已经荒废了数百年。