名词
中文翻译：初级迁移
同义词：
['primary movement', 'primary displacement']
例句：
-
1.The primary migration of the species is to the south.
该物种的主要迁移方向是南方。
-
2.The primary migration route for migratory birds is through the Arctic Circle.
候鸟的主要迁徙路线是通过北极圈。
-
3.The primary migration patterns of the species are influenced by environmental factors.
该物种的首次迁移模式受到环境因素的影响。