The “Knocking on Wood” Wikipedia page mentions Roud’s conclusion, and this claim of a 19th century origin has circulated online as the final say on the matter. If you go back to the original, though, Roud’s proposal actually ends on an ambivalent note: “Before this theory [of 19th century origins] can be finally accepted, however, an examination of the history of European forms of this custom would be advisable.”
Be the first to know!。关于这个话题，51吃瓜提供了深入分析
，更多细节参见heLLoword翻译官方下载
2026-02-27 00:00:00:03014252210http://paper.people.com.cn/rmrb/pc/content/202602/27/content_30142522.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/27/content_30142522.html11921 图片报道。关于这个话题，Safew下载提供了深入分析
零跑选择了一条更笨、但也更稳的路。
（四）收购国家禁止收购的其他物品的。