泡桐在罹丛枝病之后，除节间距缩短、叶片缩小等外部变化外，其组织结构也发生变化。

After Paulownia infected by witches broom, the distance between its nodes became, shorter and the size of the leaves became smaller.

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一种缩短两人之间距离的方法：把两者结合起来。

One way to close the distance: Combine the two.

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大自然帮了我们大忙，15世纪早期，碳元素层变化活跃，使我们能缩短时间距离。

Nature worked in our favor. During the early 15th century, radiocarbon levels were changing quite rapidly, so that allowed us to narrow the time frame.

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