基本解釋無(wú)胎磐的同根派生 aplacental相關(guān)詞英漢例句monotremes and marsupials are aplacental mammals. 單孔類動(dòng)物和有袋動(dòng)物是無(wú)胎磐的哺乳動(dòng)物。aplacental更多例句