As part of its yearly 'winterization' process, Eurostar fits its train cars with filters that are supposed to block snow.

作为每年“过冬”过程的一部分，欧洲之星在车厢上都安装了应能挡雪的过滤器。

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Set in Antarctica where there is virtually nothing but snow and icebergs, scientists have unearthed an unidentified organism trapped in a block of ice.

南极洲除了冰天雪地之外，什么也没有，但是科学家却在这里发现了一种被冻结在冰里的未知生物。

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They cap the igloo by dropping a keystone, or block with edges cut wider above than below, into the remaining gap in the roof, and "grout" the gaps between blocks of snow with additional snow.

人们用拱顶石来盖顶，或者把雪块削切得上边缘比下边缘更宽，放进剩下的屋顶缺口里，再用雪来塞满雪块间的缝隙。

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