The Rat looked very grave, and stood in deep thought for a minute or two.

水鼠兰特看上去很严肃，站着沉思了一两分钟。

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Third, even if we ignore these two problems, there is the grave fallacy in the very concept of "social cost," or of cost as applied to more than one person.

第三，即使我们忽略以上两个问题，“社会成本”或者一人以上的成本概念还有一个非常严重的谬误。

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This process is common when bodies have been exposed to water. The end result is called adipocere, or grave wax.

当尸体暴露在水体中，这种过程就比较常见。其最终产物被称为尸蜡或者墓中蜡。

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This is the era of the mesmerizing 32, 000-year-old paintings in the caves at Chauvet or the ornate grave goods found at the burial site at Sungir outside of Moscow.

FORBES: Human Ingenuity: A 100,000-Year-Old Story

And Leigh captures, without sentimentality or condescension, the grave and stoical spirit of the English working class.

NEWYORKER: Vera Drake

Along with the knight or nobleman's grave and skeleton, the excavation has revealed the exact location of the monastery, which was founded in 1230 by Alexander II (King of Scotland 1214-49) and destroyed during the Protestant Reformation in 1558.

BBC: Grave site