单词	boreal chickadee
释义	boreal chickadee noun : a chickadee (Poecile hudsonica) chiefly of coniferous forests of Canada and the northernmost U.S. that has a brownish cap and black throat and a distinctive wheezy call In the autumn, boreal chickadees tuck away spruce, pine and juniper seeds in the lichens growing on the undersides of pine and spruce branches, then retrieve them when deep snow covers other food. Richard Wolkomir, National Wildlife, December/January 1985 Word History First Known Use 1953, in the meaning defined above
随便看	secondary host secondary meristem secondary minimum secondary modern school secondary mycelium secondary nucleus secondary periderm secondary phloem secondary port secondary quality secondary radiation secondary rainbow secondary ray secondary recovery secondary reserve secondary road secondary roads secondary root secondary school secondary schools secondary seventh secondary seventh chord secondary sex characteristic sexts sextuors

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