warm-blooded vertebrates characterized by mammary glands in the female
造句
用作名詞(n.)
The ice age arrives, the cold climate surpassed the biological survival to allow, the massive ancient times mammalia biology became extinct. 冰河時(shí)期來到，寒冷的氣候超出了生物生存的容許度，大量古代哺乳類生物絕種。
Milk sugar is obtained from the milk of mammalia, but unlike cane sugar does not ferment. 奶糖來自哺乳動(dòng)物的奶，但跟蔗糖不同的是它不會(huì)發(fā)酵。