单词	Ancylidae
释义	Ancylidae plural noun An·​cyl·​i·​dae aŋˈkiləˌdē, anˈsi- : a cosmopolitan family of small thin-shelled conical pulmonate snails related to the Planorbidae compare freshwater limpet Word History Etymology New Latin, from Ancylus, type genus + -idae First Known Use 1865, in the meaning defined above
随便看	planer jack planer knife planer tree Planera planers planes planeshear planeside planesman planesmen planest planet planet differential planet gear planet wheel planet-stricken planet-struck planetal planetaria planetarian planetaries planetarily planetarium planetariums planetary

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