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.”
Трамп высказался о непростом решении по Ирану09:14
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Researchers discover rare periods of a few thousands years when climate unexpectedly awoke from slumber
The article is becoming slowly more understandable. At this point the following words stand out as islands among english we already know. Were you able to guess any from context?
Patients are being told to assume their appointments and treatments will go-ahead, unless they are told otherwise.