1.
An animal other than a human being, especially a large four-footed mammal.
兽动物而非人类，尤指体型大的四足哺乳动物
2.
"beast:an animal other than a human being, especially a large four-footed mammal."
兽:动物而非人类,尤指体型大的四足哺乳动物。
3.
Suckling is an instinct in mammals.
哺乳是哺乳动物的本能。
4.
a division of Triassic Therapsida comprising small carnivorous tetrapod reptiles often with mammal-like teeth.
三叠纪兽孔目的一个部，包括小的肉食四足爬行动物，他们的牙齿类似哺乳动物的牙齿。
5.
The similar part of the forefoot of a quadruped.
前掌低等哺乳动物前足与人的手掌相似的部分
6.
any of various fissiped mammals with nonretractile claws and typically long muzzles.
爪不能伸缩、长鼻子的多种裂足哺乳动物。
7.
animals that nourish their young with milk.
用乳汁哺育幼子的哺乳动物。
8.
Quaternary mammals in western Liaoning and the age of the fossil-bearing strata
辽宁西部第四纪哺乳动物及其地层时代
9.
biology of reproduction in mammals
哺乳动物生殖生物学
10.
The branch of zoology that deals with mammals.
哺乳动物学动物学中研究哺乳动物的一个分支
11.
European Association for Aquatic Mammals
欧洲水生哺乳动物协会
12.
The fur of one of these mammals.
这些哺乳动物的皮.
13.
mammalian thermoregulation.
哺乳动物的体温调节
14.
The fur of one of these carnivorous mammals.
这种食肉哺乳动物的毛
15.
A whale is a kind of mammal.
鲸是一种哺乳动物。
16.
Whales fall under the class of mammals.
鲸属于哺乳类动物。
17.
a mammal having nails or claws.
有指甲或爪的哺乳动物。
18.
Among mammals whales have the greatest mass.
哺乳动物中以鲸鱼最大。