名词短语
中文翻译：繁殖迁徙
同义词：
['spawning run', 'spawning migration', 'breeding migration']
例句：
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1. The migratory bird population is increasing due to climate change.
由于气候变化，候鸟种群正在增加。
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2.The fish migrate annually from the Arctic to warmer waters in the Southern Hemisphere.
鱼类每年从北极迁移到南半球的温暖水域。
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3. The whales migrate long distances each year to find food and mates.
鲸鱼每年进行长距离迁徙以寻找食物和配偶。