Thomas Duxbury: You can actually see how these trails follow the topography.

托马斯?克斯伯里: 你能清楚的看到这些轨迹在地形上的走势.

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Hugh Standish of Duxbury Hall , in Lancashire , England.

英国兰开夏郡达克斯伯利城堡的休斯坦迪什.

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Duxbury said these features look like grooves you make in the snow when you're a snowman.

克斯伯里说这些凹痕和你在雪地里堆雪人留下的凹痕类似.

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