You've got to get rid of the ritual impurity, so there'll have to be some ritual procedure that purges the impurity.

你必须摆脱不纯洁的仪式，所以必须有一些手段来净化不纯洁。

youdao

But this isn't very convincing. Only one set of diseases is said to generate ritual impurity, and many substances these are not sources of ritual impurity to Israel's priests.

但这不是很令人信服，只有某一疾病，时由于不洁的仪式引发的，很多，这些对以色列祭司来说并不是不洁的来源。

youdao

So moral impurity is the second kind of impurity that's described by Klawans and others.

道德的不洁是克洛文和其他一些学者提到的，第二种不洁。

youdao

Also, moral impurity is not removed or reducible through rituals, through washings and launderings, ritual ablutions and the like.

此外，道德不洁不能通过仪式来去除或减少，类似于洗、烫、沐浴仪式等等都不行。

耶鲁公开课 - 旧约导论课程节选

Purity, which is the absence of impurity, is a prerequisite for access to the holy or for holy status.

纯洁，不纯的反义词，是接近神圣或达到神圣状态的先决条件。

耶鲁公开课 - 旧约导论课程节选

Now, the concept of ritual impurity was a central and integral feature of most, if not all, ancient religions.

现在，仪式上的不洁已经是大部分宗教,主要的，整体而言的特点。

耶鲁公开课 - 旧约导论课程节选

What could be more natural, then, than to team up with Islam and popery to cleanse that terrible impurity?

ECONOMIST: The Crimean war

Other minor contributions towards heating the putative refrigerator are the impurity of the superconductor and the resistance of the junction.

ECONOMIST: Microrefrigeration

Even then, some level of impurity must be tolerable.

ECONOMIST: Genetically modified crops