It is not a wise universe but dead substance, and the life you know is merely a byproduct.

它不是一个智慧的宇宙，只是死的物质，你所知的生命只是一个副产品。

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Petrifaction may also involve a simultaneous exchange of the original substance of a dead plant or animal with mineral matter of a different composition.

石化还可能同时涉及将死亡的动植物的原有物质与不同成分的矿物质进行交换的作用。

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That sticky substance is sebum, which is made from the delightful recipe of wax and the remains of dead fat-producing cells.

那油腻腻的东西便是皮脂，便是已经死翘翘的脂肪细胞，等同于羊毛脂，而它却被冠冕堂皇地用于制蜡。

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Many of the dead bats were discovered with a white substance on their nose, which was cultured and found to be an unidentified fungus.

NEWYORKER: The Sixth Extinction?

Dead and alive birds were also reported covered in an oily substance on a beach at Bantham in south Devon.

BBC: Dead bird on beach between Downderry and Seaton