an animal's doctor 和 an animals' doctor 哪个对?能不能顺便说明一下理由.

an animal's doctor 和 an animals' doctor 哪个对?能不能顺便说明一下理由. an animal doctor还是a animal doctor an animal's doctor对否?an animal doctor是对的,an animals'doctor可以吗?an animal doctorj是人教版初三英语书中57课上有的. an,uncle,is,peter's,animal,doctor连词成句 My uncle is an animal doctor.同义句 it's an animal.变为一般问句 请问兽医的英文短语是a doctor for animals 还是a doctor of animals 还是an animal doctor when pets get sick,you can usually take them to an animal doctor or an animal hospital. an animal 和 animals 有什么区别Environment conditions an animal's development.Environment conditions animals' development.Environment conditions the animals' development.这几个句子意思一样吗？ I would like to be an animal doctor when I grow up.（改为同义句）I____　_____ _____ an animal doctor when I grow up. 连词成句 1.future,an,Gina,animal,the,wants,be,doctor,to,in animals doctor、animal doctor哪个对? doctor advises和doctor's advise的区别? What a dog.和 What an animal.这是两句俚语 an animal show 中文 An apple a day keeps the doctor away为什么doctor不加s Is it an animal?Right,it's a _____ of the cat family.kind number member animal an useful animal?还是a useful animal?