单词	Anallantoidea
释义	Anallantoidea plural noun An·​al·​lan·​toi·​dea ¦aˌnalənˈtȯidēə, -naˌlanˈ- : the division of Vertebrata, including amphibians, fishes, and cyclostomes, in which no allantois, or at most a rudimentary one, is developed compare anamniota anallantoidean -¦tȯidēən adjective or noun Word History Etymology New Latin, from an- + allantois + -idea First Known Use 1860, in the meaning defined above
随便看	iron black iron blue iron brown iron buff iron carbide iron carbonate iron carbonyl iron cement iron chink iron chloride iron curtain iron front Iron Gate iron glance iron grass iron gray iron hand iron hat iron horse iron hydroxide iron in the fire iron law iron law of wages iron liquor iron loss

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