It says lice are old, predate the Cretaceous-Paleogene boundary, and must have been living on something.

它说明了虱子的历史非常久，在白垩纪-早第三纪过渡期之前，而且也肯定是寄生在某种生物上的。

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Some excellent reservoir-cover associations were discovered, in which the associations composed of the thick Paleogene gypsum-mudstones and Cretaceous sandstones were mostly important.

库车坳陷和喀什凹陷发育多套优质的储盖组合，并以古近系巨厚膏泥岩与白垩系砂岩构成储盖组合为主。

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The simple shear extension mainly occurred in late Cretaceous-Early Paleogene, related to slab roll back of Pacific plate, decreasing Paleogene Pacific-Eurasia convergence rate and...

简单剪切发生在晚白垩世—早始新世，其动力与太平洋板块俯冲带的后撤、太平洋板块与欧亚板块之间汇聚速率的降低、以及先存北倾缝合带等密切相关。

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