单词	Nautiloidea
释义	Nautiloidea plural noun Nau·​ti·​loi·​dea 1 : an order or other subdivision of Tetrabranchia comprising cephalopods having an external chambered shell that is either straight (as in Orthoceras) or variously curved or coiled and being important in the Ordovician and especially the Silurian but now represented only by the genus Nautilus 2 in some classifications : a subclass or other subdivision of Cephalopoda that is coextensive with Tetrabranchia Word History Etymology New Latin, from Nautilus + -oidea
随便看	nodules nodulize nodulose nodulous nodus NOE noegenesis noegenetic Nouakchott nouakchotts nougat nougatine nougats nought noughter noughtest noughts noughts and crosses noughty nouille training noul nould noumeaite noumeite noumena

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