正如动物被岩石掩埋一样，这些病毒被困在其宿主的基因组里，而其自由生存的亲缘在不断地进化，它们实际上被时间冻结了。
Just as animals get buried in rock, these viruses become trapped in the genomes of their hosts. While their free-living relatives continue to evolve, fossil viruses are effectively frozen in time.
当安东尼·博金斯(Anthony Perkins)开始撕扯窗帘时，我整个身体僵硬冻结了一样。
When Anthony Perkins starts slashing at the curtain, I think my entire body was frozen in petrification.
福特在信贷市场冻结之前储备好了资金，这才使自己免遭底特律另两大汽车制造商一样破产的命运。
Ford escaped the fate of the other two Detroit carmakers by tapping credit markets just before they began to freeze over.
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