First, theaudience must understand the concept of phylum (plural, phyla): the organizingprinciple for classifying the entire animal kingdom.

首先，观众必须明白门（生物学）的概念：整个动物王国分类的组织法则。

youdao

First, theaudience must understand the concept of phylum (plural, phyla): the organizingprinciple for classifying the entire animal kingdom.

首先，观众必须明白门（生物学）的概念：整个动物王国分类的组织法则。

youdao