eider duck

英 [ˈaɪdə dʌk] 美 [ˈaɪdər dʌk]

n.  绒鸭,棉凫(生活在北方国家)



牛津词典

noun

  1. 绒鸭,棉凫(生活在北方国家)
    a large duck with soft feathers, that lives in northern countries

    英英释义

    noun

    1. duck of the northern hemisphere much valued for the fine soft down of the females

        Synonym:    eider