| 释义 |
哺乳动物bǔrǔ dòngwù最高等的脊椎动物,基本特点是靠母体的乳腺分泌乳汁哺育初生幼体。除最低等的单孔类是卵生的以外,其他哺乳动物全是胎生的。{mammal; vertebrate of the highest class that feeds its young with milk from the female mammary glands, and brings forth living young rather than eggs, with the exception of the monotremes} |