called marsupials 所谓的有袋类动物
同义词: pouched mammal
"marsupial animals"
以上来源于: WordNet
N-COUNT A marsupial is an animal such as a kangaroo or an opossum. Female marsupials carry their babies in a pouch on their stomach. (袋鼠或负鼠等)有袋哺乳动物
Some marsupials can care for three newborns in their pouch at the same time.
有些有袋目动物可以同时在育儿袋中抚育三个刚出生的婴儿。
Marsupials just optioned for a different reproductive strategy.
罗哲西说,“有袋类动物只是选择了一条不同的生殖策略。”
DNA evidence has suggested the last common ancestor to eutherians and marsupials lived around 160 million years ago.
DNA证据显示,真兽类和有袋类最后的共同祖先生活在1.6亿年前左右。
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