单词	protopterus
释义	protopterus noun pro·​top·​ter·​us -rəs 1 capitalized : a genus of dipnoan fishes of the rivers and swamps of central and western Africa that reach a length of six feet, that bury themselves in the mud during the dry season, that are closely related to lepidosirens but have a stouter body and five branchial clefts and differently constructed paired fins, and that are sometimes placed in a separate family but are usually placed in the same family as Lepidosiren 2 plural -es : any fish of the genus Protopterus Word History Etymology New Latin, from prot- + -pterus
随便看	hangar hangar deck hangared hangaring hangars hangbird hangbirds hangby hangchou hangchow hangchows hangdog hangdoger hangdogest hangdogger hangdoggest hangdogs hange hanged hanger hanger bolt hanger case hanger steak hanger wood hanger-off

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