Anyway, the art of making stained glass windows developed in Europe during the Middle Ages, and was closely related to church building.

无论如何，彩绘玻璃窗工艺是在中世纪欧洲发展起来的，与教堂建筑密切相关。

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During the middle ages Greek civilization declined and became effete.

希腊文明在中世纪衰败并变得没落。

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During the middle ages, Greek civilization declined and became effete .

在中世纪期间，希腊文明开始衰落直至衰败。

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The Romans improved the process, inventing the fiber wick, and during the Middle Ages, beeswax candles were introduced.

FORBES: Magazine Article

Because these waterways were the arteries of trade, Bruges became rich during the Middle Ages and the Renaissance.

BBC: A cultural tour of Bruges

During the Middle Ages, a castle was specifically a fortified structure, largely built to defend nobles against hostile intrusions.

FORBES: Castles For Sale