名词
中文翻译：寒鸦
同义词：
['cold-blooded bird', 'cold-natured bird']
例句：
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1. The rooks were perched on the branches of the tree, their wings flapping in thechilly air.
乌鸦们停在树枝上，翅膀在寒冷的空气中扑腾。
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2.The cold-natured bird was unable to survive the harsh winter conditions.
这种冷血动物无法忍受严寒的冬天。
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3.The cold-blooded birds huddle together for warmth during the winter months.
这些冷血动物在冬天会聚在一起取暖。