1.
slender-bodied semiaquatic mammal having partially webbed feet; valued for its fur.
部分趾间有蹼、细长身体的水栖哺乳动物；以其皮毛而名贵。
2.
amphibious African insectivorous mammal that resembles an otter.
非洲两栖食虫哺乳动物，与水獭类似。
3.
large dark brown North American arboreal carnivorous mammal.
北美洲褐色大型树栖食肉哺乳动物。
4.
terrestrial or aquatic flesh-eating mammal; terrestrial carnivores have four or five clawed digits on each limb.
陆栖或水栖的食肉类哺乳动物；陆栖类的每个肢体上有四或五个带爪的趾。
5.
European Association for Aquatic Mammals
欧洲水生哺乳动物协会
6.
fishes; amphibians; reptiles; birds; mammals.
鱼类；两栖动物类；爬虫类；鸟类；哺乳动物类。
7.
Suckling is an instinct in mammals.
哺乳是哺乳动物的本能。
8.
In regard to animals, Diphyodont evolved into Reptilia, which evolved into mammals.
动物是由两栖进化为爬虫，再进化为哺乳类。
9.
The Research History of Mammal and Amphibious Reptile and Geographical Division in Hebei Province;
河北哺乳及两栖爬行动物研究史与地理区划
10.
fishes and amphibians and reptiles and birds and mammals are verbetrate animals.
鱼类、两栖动物、爬虫动物、鸟类和哺乳动物都是脊椎动物。
11.
The main groups of vertebrates are: fishes, amphibians, reptiles, birds and mammals.
脊椎动物的主要种类是鱼类，两栖动物，爬行动物，鸟类和哺乳动物。
12.
A membrane or fold of skin connecting the toes, as of certain amphibians, birds, and mammals.
蹼连接某些动物，如两栖动物、鸟和哺乳动物的趾的皮肤褶或膜
13.
Also called duckbill semi aquatic egg-laying mammal native to Tasmania and southern and eastern Australia.
鸭嘴兽是半水栖卵生哺乳动物,原产于塔斯马尼亚岛和澳洲的南部及东部。
14.
small blackish stout-bodied biting fly having aquatic larvae; sucks the blood of birds as well as humans and other mammals.
身体带黑色的咬人飞虫，体形短胖，幼虫水栖；吸鸟类的血，也吸人和其它哺乳动物的血。
15.
Geographic patterns and environmental correlates of terrestrial mammal species richness in China
中国陆栖哺乳动物物种丰富度的地理格局及其与环境因子的关系
16.
The Finless Porpoise is another resident marine mammal species.
此外，江豚是另一种在本港海域栖居的海洋哺乳类动物。
17.
primitive terrestrial mammal with few if any teeth; of tropical Central and South America.
牙齿很少的原始陆栖哺乳动物；产于亚洲中部和南部的热带地区。
18.
insectivorous arboreal mammal of southeast Asia that resembles a squirrel with large eyes and long sharp snout.
东南亚食昆虫的树栖哺乳动物，形似松鼠，眼睛大，嘴长而尖。