英语翻译The motherboard has been burned out,can't repair.It has

问题描述:

英语翻译
The motherboard has been burned out,can't repair.
It has been already used more than 10 years ,I propose to scrap it.
这个主板已经被烧坏了,不能修理.
它已经被使用了超过10年,我建议废弃它.
1个回答 分类:英语 2014-11-11

问题解答:

我来补答
the motherboard has burned out and cannot be repaired.
It has been already used for more than 10 years.I propose scarping it.
再问: 这里的repaired加ed的作用是变形容词还是时态呢?
然后下一句的for more than 10 years 为什么要用介词for呢?能不能大概说明一下?谢谢
再答: repaired 是过去分词,属于被动语态
表达持续一段时间要用for
 
 
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