period
美 [ˈpɪrɪəd]英 [ˈpɪəriəd]
- n.时期;阶段;时代;句点
- int.不用再说了;就是这样;就这么定了;用于强调已经没有讨论的必要
- adj.当时的;当年的;那个年代的
- adv.(用于句末,强调不再多说)到此为止
- 网络周期;句号;期间
复数:periods

period
时间长度length of time
1.一段时间;时期a particular length of time
2.(人生或国家历史的)阶段,时期,时代a length of time in the life of a particular person or in the history of a particular country
3.纪(地质年代,代下分纪,纪下分世)a length of time which is a division of an era . A period is divided into epochs .
课时lesson
4.节;学时;课any of the parts that a day is divided into at a school, college, etc. for study
妇女woman
5.月经;经期;例假the flow of blood each month from the body of a woman who is not pregnant
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