随着罗马帝国向北扩张，它构建活动图的大部分时间是在太阳年前后。

As the Roman Empire expanded northward, it organised its activity chart for the most part around the solar year.

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当希腊世界沿着地中海航线扩张时，罗马世界是通过征服领土而建立起来的。

While the Greek world had expanded along the Mediterranean seas lanes, the Roman world was assembled by territorial conquest.

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罗马人开始了一场扩张罗马帝国的运动，在300年的时间里征服了地中海的大部分地区和欧洲的部分地区。

The Romans began a campaign to expand the Roman Empire, and in 300 years they had conquered most of the Mediterranean area and parts of Europe.

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