我真不知道世界上有多少种动物英文翻译
问题描述：
我真不知道世界上有多少种动物英文翻译
答
I really don't know how many kinds of animals in the world.
答
I really don't know how many different animals there are in the world.
答
I really don't know how many kinds of animals in this world.
若是物种就是“species”,范围就比“animal” 广.