The Vikings' first major discovery occurred in the ninth century.

维京人在九世纪时有了第一个重大发现。

youdao

This was first mentioned in reference to brewing in the ninth century.

这是在九世纪首次提到的关于酿酒的说法。

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The females were sired twice in the ninth century, and again during the Renaissance.

他家族中的女人们在九世纪曾两次改换祖先，到了文艺复兴期间又换了一次。

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They were also used starting around the ninth century in China to print documents.

VOA: special.2009.09.02

It has erupted only three times since Iceland was settled in the ninth century.

ECONOMIST: Volcanoes and air travel: Small eruption in Iceland | The

The Vikings who settled Iceland in the ninth century found an uninhabited island.

BBC: Iceland on horseback

Then in the ninth century, a new set of scribes dug through St.

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