marsupial coccid

例句：

1. 1.Marsupials are the only mammals that give birth to live young.
   有袋类动物是哺乳动物中唯一能产活仔的。
2. 2.The discovery of fossils in Australia has helped scientists understand the evolution of marsupials.
   澳大利亚化石的发现帮助科学家理解有袋类动物的进化。
3. 3. Indigenous Australians have a deep connection to their marsupial ancestors.
   土著澳大利亚人与他们的有袋类祖先有着深厚的联系。