单词 | Metatheria |
释义 | Metatheriaplural 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 |
随便看 |
英语词典包含469781条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。