duck of the northern hemisphere much valued for the fine soft down of the females
同义词：eider
Dozens of eider ducks, cormorants and guillemots have all been found with contaminated plumage.
BBC: Oil taking toll on sea birds
Expect to see Arctic terns, eider ducks and fulmars.
BBC: Mini guide to excursions from Reykjavik
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。