按照这种周期计算方法，每52年这两种历法重合一次，称为一个世纪。 每到一个新的世纪，阿兹台克人就会举行为期12天的庆典以庆祝新的开始。

When these cycles align every 52 years, a new century begins, celebrated by a 12-day festival.

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数百年来，每到感恩节人们都会聚集在教堂或家里祈祷。

For centuries, 'Thanksgiving Day' is associated with communal prayers in church and in homes.

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一年一度的元宵节终于到了，每到这一天家家户户门前都挂着红灯笼，而且吃饭之前还要放鞭炮，当然，晚饭也和以前不一样，要吃元宵。

The annual lantern Festival finally arrived, on this day, every family hangs red lanterns and set off firecrackers before they can eat, of course, dinner is different also, want to eat yuanxiao.

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I have made some adjustments every year. I'm trying to deal with the fact that there are so many novels I love written between, say, 1985 and the present that are over 400 pages apiece.

每年我都会做一些调整,但是事实是,我喜欢自1985年到现在这段时期的很多小说，每本都超过400页。

耶鲁公开课 - 1945年后的美国小说课程节选

The cotton crop nearly doubled every decade from 1820 to 1860.

从1820年到1860年,棉花的产量每十年就翻一倍

耶鲁公开课 - 美国内战与重建课程节选