It is a complex and an active process.

它是一个复杂的，积极的过程。

youdao

Intact skin is a highly complex, metabolically active organ.

完整的皮肤是一个高度复杂、代谢灵敏的器官。

youdao

Intact skin is a highly complex, metabolically active organ.

完整的皮肤是一个高度复杂、代谢灵敏的器官。

youdao