动词短语
中文翻译：集中
同义词：
['focus', 'concentrate', 'concentrate on例句：1. The scientist concentrated his efforts on developing a new drug.（科学家致力于开发新药。）2. The artist concentrated her attention on painting the landscape.（艺术家专注于绘画风景。）']
例句：
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1. The scientist concentrated his efforts on developing a new drug.
科学家致力于开发新药。
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2. The artist concentrated her attention on painting the landscape.
艺术家专注于绘画风景。
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3. The students concentrated on their studies during the exams.
学生们在考试期间集中精力学习。