Since the fall of the Berlin Wall, the voting habit has spread through Africa, and has now caught on in most of the continent.

柏林墙倒塌之后，选举的习惯已经传播到非洲，现在，大部分的非洲大陆都进行选举。

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The results of the simulated outbreak corresponded well with the absences during fall 2009's H1N1 spread.

模拟计算的结果与2009年秋季没出现甲型h1n 1流感病毒传播相一致。

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It's all too easy to fall out of sync with your family, especially when relatives are spread out in different states, time zones or countries.

人海茫茫，很多人一不小心就失去了家人的音信，尤其是在你的亲人们分散在不同的州、不同的时区，甚至是不同国家的情况下。

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Whether or not Brazilian bonds are correctly priced at a spread of five points over Treasuries, it is clear that that spread cannot fall much further.

ECONOMIST: Buttonwood

The bigger 40% fall was spread over four weeks, and even then a lot of that was clawed back in early 1930.

ECONOMIST: Wall Street crash

Radioactive isotopes accumulate in milk after they spread through the atmosphere, fall to earth in rain or dust, and settle on vegetation, where they are ingested by grazing cattle.

FORBES: Radiation Detected In Drinking Water In 13 More US Cities, Cesium-137 In Vermont Milk