n. [脊椎]小狗；幼兽（pup 复数）
1.Usually, four to six pups are born together in a litter.
一般说来，狼一胎能产下四到六只幼崽。
2.And as the pups get older, the degu fathers begin actively playing with their toddler offspring.
随着幼鼠长大，八齿鼠父亲开始积极地与学步的子女玩耍。
3.Feeding the pups is also more difficult.
喂养幼仔也更加困难。
4."Well, Billy, " he said, "I heard that Old Man Hatfield's collie is going to have pups.
“好吧，比利，”他说，“我听说‘老头帽’农场的牧羊犬要生小崽了。
5.This sounds terrible to us, but Wolf pups love it!
这在我们看来很可怕，但是狼宝宝非常喜欢！
6.Wolf pups love to play.
幼狼喜欢玩耍。
7.One new set of brain cells formed in the olfactory bulb, and were specifically tuned to the smells of his pups.
在嗅球中形成了一套新的脑细胞，特别适应于幼鼠的气味。