The spread of flu by carrier is akin to flying people or birds, meaning regional variations can spread quickly around the world.

流感通过载体的传播就像是人们坐飞机或是鸟儿飞翔一样，意味着区域变异会很快传播到世界各地。

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The use of paper spread abroad, helping other cultures record and spread their ideas.

纸的使用传到了国外，促进了其他文明记载和传播他们的思想。

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As the virus spread to other areas of China, the government took action to control the spread of the disease.

随着病毒蔓延到中国其他地区，政府采取了行动来控制疾病的传播。

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The researchers have developed a way to make genetic changes in the three mosquito species known to spread malaria.

VOA: special.2009.12.22

So I've sort of just spread out what we have as the second row here, graphed against the ionization energy.

所以我将第二行的情况,在这里展了，纵坐标是电离能。

麻省理工公开课 - 化学原理课程节选

It's not like Los Angeles, where it's extremely spread out, and you only...you're only in your car all the time,

与洛杉矶不同，洛杉矶太散了，那里，你只是一味地坐在自己的车里，

美国贫富差距？ - SpeakingMax英语口语达人

The end result is a bearish put spread, otherwise known as a debit spread.

FORBES: Puts Pile on Deutsche Bank as European Debt Crisis Festers

When the sit-in movement spread from Greensboro throughout the South, it did not spread indiscriminately.

NEWYORKER: Small Change

The spread between bullish and bearish sentiment, the bull-bear spread, widened to -14 percentage points.

FORBES: Unusually High Level Of Pessimism Plagues Investors