Pumped hydro storage is more than a century year old.

抽水蓄能已有一个多世纪的历史。

Cathedrals often take many years, sometimes centuries to complete because typically they are very large buildings that require a lot of money and work.

大教堂通常需要很多年，有时甚至几个世纪才能完工， 因为它们通常是非常大的建筑， 需要大量的资金和工作。