经过了一个世纪的内战，德川幕府粉墨登场。

The Tokugawa shogunate arose after over a century of civil war.

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大约又经过了一个世纪，科学终于对这种动物加上了一个动物学上的名称—“挪威海怪”。

About a century later, science finally attached a zoological name to the Kraken.

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不过，即使经过了一个半世纪的观测，这个距离太阳最远的行星，仍有许多尚未解决的问题。

But even with more than a century and a half of observations, many unresolved questions remain about the farthest planet from the sun.

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