单词	Metatheria
释义	Metatheria plural noun Meta·​the·​ria 1 : a hypothetical group ancestral to placental mammals postulated to have reached a stage of development equivalent to that of the marsupials 2 in some classifications : a group coextensive with Marsupialia Word History Etymology New Latin, from meta- + -theria
随便看	duetted duettes duetti duetting duettinos duettist duettists duetto duettos duf duff Duff-Gordon duffadar duffed duffel duffel bag duffel bags duffel coat duffels duffer Dufferin and Ava duffers duffing duffle duffle coat

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