migration of ovum

例句：

1. 1. The migration of birds is a fascinating phenomenon.
   鸟类的迁徙现象令人着迷。
2. 2.Many people migrate to warmer climates during the winter.
   许多人在冬天迁移到更温暖的气候中。
3. 3. The migration patterns of these species are influenced by their environment.
   这些物种的迁移模式受到它们环境的影响。