形容词

1. Steel is an integral part of a modern skyscraper.
钢铁是现代摩天大厦的主干。

2. The arms and legs are integral parts of a human body.
臂和腿是人体不可缺少的部分。

1. 基本的;构成整体所必需的
Something that is an integral part of something is an essential part of that thing.

e.g. Rituals and festivals form an integral part of every human society...
仪式与节日构成了任何人类社会不可缺少的一部分。
e.g. Anxiety is integral to the human condition.
焦虑是人类的基本生存状况之一。