over a long period of time

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/10 10:14:22

over a long period of time
1、过了很长一段时间（假如之前描述的是1800年,那么当前就是1800年以后又“过了很长一段时间”,然后发生某事）
2、在一段很长的时间内（假如之前描述的是1800年,那么此处意为在1800年以后的很长一段时间内,一直在发生着某事）
请问,是1、2中的哪个意思?

Over a long period of time, 是在叙述一个时间段,但是翻译上来说,不会去表示时间点是“从哪里开始的”
例如你第一个例句我可以说
The event started after waiting over a long period of time since 1800 till now.
第二个例句呢我可以说
The event has been on for over a long period of time since 1800 till now.
所以 over a period of time 只是叙述 "过了很长一段时间“ 比不是拿来表示时间点的.
再问：那么，它和 a period of time 有何区别？此处 over 的意思是？
再答： A period of time 意思是指 ”一段时间“ = an amount of time Over 在这里的用意思是 ”经过了“ 例句： We lived in China for a period of time, 我们再中国住了一段时间 All language changes over a period of time, 所有语言经过了一段时间都会有所变化看出来分别了吗？ :)

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