animal ID动物标识animaln.动物；牲畜adj.动物的；野兽的Animal breeding method动物育种方法animal rights movement动物权益运动animal-related words动物词Animal structural gene动物结构基因animal individual mark动物个体标识animal metaphor system动物性比喻体系animal sexual behavior动物性行为animal infection model动物模型animal mating behavior动物配偶行为animal feeding science家畜饲养学