名词
中文翻译:主题
同义词:
['object', 'matter', 'subject of discussion']
例句:
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1. The teacher askedthe students to present their subjects.
老师要求学生们展示他们的课题。
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2. The book is about the history of the subject.
这本书是关于这个学科的历史。
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3. The subject of this research is environmental science.
这项研究的课题是环境科学。