关于duck的知识
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Compare with the domestic hen and the duck英语作文
Thedomestichenandtheduckbothbelongtothebirdcategory.Theyhavesomefeaturesincommonsuchaswings,feet,beak,flight,nest,migration,foodandeggs.Thedomestichenhasshortwingswhichitrarelyusesbecauseithasaheavybo...