单语范例（未经PONS编辑处理）
Various studies have been produced, recreating the effects of the Ouija board in the lab and showing that, under laboratory conditions, the subjects were moving the planchette involuntarily.
en.wikipedia.org When they leave the house, cameras record an unseen force moving the board to form an unknown message on the Ouija board, which then spontaneously catches fire.
en.wikipedia.org As a result of Ouija boards becoming popular in the early 20th century, by the 1920s many psychic books were written of varying quality often initiated by Ouija board use.
en.wikipedia.org A most basic Ouija board would contain simply the alphabet of whatever country the board is being used in, although it is not uncommon for whole words to be added.
en.wikipedia.org Skeptics have described Ouija board users as' operators'.
en.wikipedia.org