migration route

• 动物、鸟类或人类在迁徙或移居时经常使用的路线或通道，通常具有季节性，或用于从一地区迁移到另一地区。

A path or course regularly taken by animals, birds, or people when moving from one region to another, typically seasonally or for relocation purposes.

1. Animal migration pathB2formal

   A specific path or route that animals, especially birds, fish, or mammals, follow regularly during seasonal migration.

   迁徙路线

   • The Arctic tern follows one of the longest migration routes in the world.
   • Scientists track the migration routes of whales using satellite tags.
   • The monarch butterfly's migration route spans thousands of miles.

2. Human migration pathB2formal

   A path or corridor used by groups of people moving from one region to another, often for economic, social, or environmental reasons.

   移民路线

   • The Silk Road was a historic migration route for traders and settlers.
   • Many refugees follow dangerous migration routes across the Mediterranean.
   • The government is studying the migration routes of seasonal workers.