名词
中文翻译：繁殖迁徙
同义词：
['migration', 'migratory', 'breeding']
例句：
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1.The birds are migrating south for the winter.
这些鸟正在向南迁徙过冬。
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2.The migratory bird population has decreased significantly in recent years.
近年来，候鸟种群数量显著减少。
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3. The scientists observed that the migratory patterns of the species were influenced by climate change.
科学家们观察到，该物种的迁徙模式受到了气候变化的影响。