介词短语
中文翻译：在
同义词：
['after', 'before', 'subsequent to', 'prior to例句：1. He arrived on time', 'but his friend was late.（他准时到达了，但他的朋友迟到了。）']
例句：
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1. He arrived on time, but his friend was late.
他准时到达了，但他的朋友迟到了。
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2.She finished her homework on and after the exams.
她在考试前后完成了她的作业。
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3. The project will be completed on and after the next quarter.
这个项目将在下一个季度开始时完成。