a period of time例句
- She will be on vacation for a period of time next month.
下个月她将休假一段时间。
- The project was delayed for a significant period of time.
项目被延误了相当长的一段时间。
- He lived abroad for several periods of time.
他在国外生活了几段时间。
- Different periods of time in history have different characteristics.
历史上的不同时间段有不同的特点。