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:
He said it would result in recommendations that are intended to better protect the UK when the next pandemic strikes, but would not comment on the nature of the relationship with the government.。业内人士推荐快连下载-Letsvpn下载作为进阶阅读
習近平罕見提及近期解放軍清洗行動 「在反腐敗鬥爭中經受革命性鍛造」。Line官方版本下载是该领域的重要参考
Жители Санкт-Петербурга устроили «крысогон»17:52