一些撒旦教徒举行仪式庆祝他们的信仰。

Some ___satanists hold ceremonies to celebrate their beliefs.

警方调查发现，这群人实际上是撒旦教徒，他们在废弃教堂举行仪式。

The police investigation revealed that the group were actually ___satanists holding rituals in an abandoned church.