基本解釋原哺乳亞綱同根派生 Prototheria相關(guān)詞英漢例句the most primitive mammals comprising the only extant members of the subclass Prototheria. 最原始的哺乳動物，組成原獸亞綱唯一的現(xiàn)存種類。the most primitive mammals comprising the only extant members of the subclass Prototheria 最原始的哺乳動物，組成原獸亞綱唯一的現(xiàn)存種類primary mammal (Prototheria) 原獸亞綱Prototheria更多例句