2005/02/27 | 星期[Week]
类别(¤〖天文〗) | 评论(0) | 阅读(38) | 发表于 16:03
Essentially, any period of time shorter than a month and longer than a day. In normal usage, a week is a unit of time defined as 7 days. Two weeks are called a fortnight. The Mayan calendar had two different weeks of 13 and 20 days. The French revolutionary calendar had 10-day weeks.
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