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请分析一句英语until recently this system was very successful but re

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/09/13 02:14:49
请分析一句英语
until recently this system was very successful but recently there have been problems.
上面这句中,until recently this system was very successful怎么翻译?是说之前都是successful的是吗?还是主要强调最近出现了问题?
后半句是重复了,可以删除,这是个把状语提前的强调句型,until的意思“直到.为止”,注意是止了,句子的意思是“该系统一直运行情况良好直到最近才出了一些问题.” 可以把until recently 还原,就有了 This system was very successful until/till recently.
比较一些下面一句话的意思:
This system was not successful until recently.
该系统一运行情况糟糕直到最近才有所改善.
I couldn't fall asleep until 1‘clock last night.这句话的意思你也清楚了吧 就是问问题怎么不给分