migration
🇬🇧/maɪˈɡreɪʃn/ 🇺🇸/maɪˈɡreɪʃ(ə)n/📚 4558 47四级六级雅思GREseasonal movement of animals from one region to another. "this butterfly's annual migration across North America"
noun [抽象名词]移民，迁徙；（计算机系统的）改变，（程序或硬件的）迁移，转移
During the last recession, migration to the sunbelt accelerated.
前一个经济萧条期间，向美国南部阳光地带移民的速度加快了。
- migration 出现在下面的课文中
- Lesson 1 Finding fossil man migration 名词: 迁移，移居
单词造句: