An isolated mountaintop in central Mexico is covered each winter with orange - and - black monarch butterflies.

每到冬天,墨西哥中部的一座孤山顶上就栖满一种橙褐色的大蝴蝶.

辞典例句

Monarch butterflies may lose their winter habitat within 50 years because of climate change, say researchers.

研究人员说:由于气候的变化, 黑脉金斑蝶在50年内可能失去它们的冬季栖息地.

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