动词
中文翻译：集中注意力于
同义词：
['concentrate', 'concentrate on', 'concentrate on sth.']
例句：
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1. The teacher focused all her attention on the lesson.
老师全神贯注地听讲。
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2. She focused on the task at hand and worked diligently.
她专注于手头的任务，努力工作。
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3. The student focused on his studies and achieved good results.
这位学生专注于学习，取得了好成绩。