animalistn.兽欲主义者；纵欲者；动物画家animaln.动物；牲畜adj.动物的；野兽的animal rights campaigners动物权利保护主义者animal carbon preparation动物碳制剂animal husbandry industry畜牧养殖业animal resources of China中国动物资源animal breeding structure家畜繁育体系animal behavior physiology动物行为生理学animal manures application畜禽粪便农用Animal raising environment养殖环境Animal medicine and forage兽药饲料animal eqidemic prevention动物防疫

1. An infection thread is formed by the cytoplasm of the host cell.
   侵染线是由寄主细胞的细胞质形成的。