名词
中文翻译：主人
同义词：
['head', 'principal', 'chief']
例句：
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1. The main reason for the meeting was to discuss the budget.
会议的主要目的是讨论预算。
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2. The main focus of the research was on the effects of exercise on health.
研究的主要重点是运动对健康的影响。
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3. The main task of the team is to deliver the project on time.
团队的主要任务是按时交付项目。