单词 | primary feather |
释义 | primary feathernoun Any of the largest flight feathers in a bird’s wing, growing from the manus.Like typical swifts, treeswifts have a long manus and primary feathers....
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英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。