单词	tail covert
释义	tail covert noun : one of the coverts of the tail quills Word History First Known Use 1815, in the meaning defined above
随便看	sphincterate sphincteric sphincters sphinctrate sphindid Sphindidae sphinges sphingid Sphingidae sphingidaes sphingids sphingine sphingo- sphingolipid sphingolipidoses sphingolipidosis sphingolipids sphingometer sphingosine sphingosines sphinx sphinx baboon sphinx caterpillar sphinx moth sphinxes

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