migration
Definition
The process or act of migrating, especially the seasonal movement of animals or people.
中文 迁移的过程或行为，特别是动物或人群的季节性流动。
Example
"The migration of monarch butterflies spans thousands of miles across North America."
The process or act of migrating, especially the seasonal movement of animals or people.
中文 迁移的过程或行为，特别是动物或人群的季节性流动。
"The migration of monarch butterflies spans thousands of miles across North America."