名词
中文翻译：知更鸟
同义词：
['chickadee', 'robin例句：1. The chaffinch sings a sweet song in the morning.（知更鸟在早上唱着美妙的歌曲。）']
例句：
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1. The chaffinch sings a sweet song in the morning.
知更鸟在早上唱着美妙的歌曲。
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2.The chickadees are building their nests in the trees.
知更鸟们在树上筑巢。
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3. Robins are known for their bright red breast feathers.
知更鸟以其鲜艳的红色胸脯羽毛而闻名。