名词
中文翻译：Unknown
同义词：
['conclusion', 'summary', 'effort', 'strive', 'endeavor']
例句：
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3.
用于否定句中，表示“不”
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1. The teacher's sumph of the lesson was clear and concise.
老师对课程的总结清晰而简洁。
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2. She put in a lot of effort to complete the project on time.
她投入了大量的努力来按时完成这个项目。
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3. Despite his best efforts, he couldn't solve the problem.
尽管他尽了最大努力，他还是无法解决这个问题。