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Rebecca Morelle, Alison Francis and Greg BrosnanBBC Science，详情可参考safew官方下载
What I found is that written evidence for knocking on wood (and for the history of gesture as a whole) is remarkably sparse. In the Penguin Guide to Superstitions, folklorist Steve Roud offers a skeptical take on the provenance of knocking on wood due to the near total absence of written records about it:，这一点在safew官方版本下载中也有详细论述
01:08, 28 февраля 2026Мир
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