单词	tail coverts
释义	tail coverts plural noun : the feathers that cover the bases of the tail quills see duck illustration Word History First Known Use 1815, in the meaning defined above
随便看	ing machine ing microscope ing mountain national park ing pole ing's disease ing-af ing-im ing-off place inga ingae Ingaevones ingaevonic Ingalik ingaliks ingans ingas ingate ingates ingather ingathered ingatherer ingatherers ingathering ingatherings anastatic

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