a spiritual agency that is assumed to assist the medium during a seance. 被认为会通过一个中间人（或物）来说话或行事的鬼魂。 收藏
Other stories of the supernatural related by Walters included a seance by Mary Lincoln to recall the spirit of their dead son 沃尔特还讲述了许多不可意思的故事包括玛丽·林肯召开降灵会招回他死去儿子的灵魂。收藏
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