Fincke, 58, is a Pennsylvania native with a wife and three children. He joined NASA in 1996 and is now a veteran of four spaceflights: Expedition 9 in 2004, Expedition 18 in 2009, STS-134 in 2011, and most recently Expedition 74, for which he served as commander.
Что думаешь? Оцени!，更多细节参见heLLoword翻译官方下载
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Марина Совина (ночной редактор)，更多细节参见safew官方版本下载
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:
他說：「既然人民越來越窮，我們將會看到新一波的社會動盪。」