名词
中文翻译：Unknown
同义词：
['focus', 'concentrate', 'concentrate on', 'concentrate on something']
例句：
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1. We needto focus on the main points of the presentation.
我们需要关注演讲的主要点。
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2.The chef focused his attention on the perfect sauce.
厨师专注于调配完美的酱汁。
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3. I need to concentrate on my studies before the exam.
考试前我需要集中精力学习。