名词
中文翻译：课程
同义词：
['subject', 'lesson', 'subject matter']
例句：
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1.He has a strong interest in history andoften takes courses in it.
他对历史有浓厚的兴趣，经常选修这门课程。
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2. The teacher explained the new course contentto us clearly.
老师向我们清晰地解释了新的课程内容。
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3. Students are required to complete acertain number of courses before graduation.
学生在毕业前需要完成一定数量的课程。