名词
中文翻译：环形课程
同义词：
['circular course', 'loop course']
例句：
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1.The ring course is designed to help students improve their English speaking skills.
环形课程旨在帮助学生提高英语口语能力。
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2.The teacher explained the ring course in detail, making it easier for us to understand.
老师详细解释了环形课程，让我们更容易理解。
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3.After completing the ring course, we were able to confidently speak English in a professional setting.
完成环形课程后，我们能够在专业场合自信地使用英语。