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.”
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，更多细节参见搜狗输入法2026
Version: latest-42.20251008 (2025-10-08T02:20:33Z)，这一点在旺商聊官方下载中也有详细论述
视线转向即将登场的影像「超大杯」。综合目前的爆料，vivo X300 Ultra 依然沿用了前代稳扎稳打的影像架构。