coverts的知识精选

“coverts”可以造什么句,coverts造句
FirstwarblerYellow-browed,thedarkbasestothesecondariesandblack-centredgreatercovertsleavefewotheroptions.Thedensernocturnalvapours,attackedbythewarmbeams,weredividingandshrinkingintoisolatedfleeceswit...
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