动词
中文翻译：Unknown
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.
老师全神贯注于课堂。
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2. She focused on improving her English skills.
她专注于提高她的英语技能。
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3. The project requires a lot of focus and dedication.
这个项目需要大量的专注和奉献。