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:
Mason Gooding and Jasmin Savoy Brown in "Scream 7."
，这一点在51吃瓜中也有详细论述
However, this flexibility came at a cost for complex routes:
Москвичей предупредили о резком похолодании09:45
。搜狗输入法下载对此有专业解读
协商可以采取议事会、听证会、恳谈会等多种形式，根据需要邀请人民政府有关部门、街道办事处、群团组织、社会组织和人民代表大会代表、政治协商会议委员会委员、相关专业人员等参加。，详情可参考搜狗输入法2026
2023年全国两会期间，有全国人大代表提到响水事故，“当时GDP上去了，但为若干年以后的灾害性事件埋下了根”。