migrations/maɪˈɡreɪ.ʃən/名词(动物应季节变化而作出的)迁徙,移栖Scientists track bird populations and migration patterns.科学家追踪鸟类的数量及其迁徙模式。(计算机系统的)变更;(信息的)迁移The processes must include accurate data migration.这些过程必须包括准确的数据迁移。想跟读,去练习