名词
中文翻译：主题
同义词：
['object', 'matter', 'topic']
例句：
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1.The teacher asked the students to present their research on the subject of ecology.
老师要求学生们就生态学这个主题进行汇报。
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2.The student was assigned the task of analyzing the data for the subject of economics.
学生被分配了分析经济数据的任务。
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3.The professor discussed the importance of understanding the subject in the context of globalization.
教授讨论了理解这一主题在全球化背景下的重要性。