名词
中文翻译：重复
同义词：
['recurrence', 'reiteration', 'repetitiveness']
例句：
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1.The teacher asked the students to repeat the lesson after she had explained it.
老师在解释完课后要求学生们复述。
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2.The patient repeated his symptoms several times before he could remember them clearly.
病人在多次重复后才能清晰地回忆起症状。
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3. The scientist repeated the experiment several times to ensure accuracy.
科学家为了确保准确，重复了几次实验。