ptarmigan
n.松鸡类
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名词复数:ptarmigan
ptarmigan
/'tɑ:mɪgən; `tɑrməˇən/
n bird of the grouse family, with black or grey feathers in summer and white feathers in winter 雷鸟（松鸡科鸟, 夏季羽毛呈黑色或灰色, 冬季呈白色）.
n bird of the grouse family, with black or grey feathers in summer and white feathers in winter 雷鸟（松鸡科鸟, 夏季羽毛呈黑色或灰色, 冬季呈白色）.
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