名词
中文翻译：高影响等级
同义词：
['high-impact grade', 'high-impact rating']
例句：
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1.The new policy has a high impact on student performance.
新政策对学生表现有很高的影响。
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2. This course is designed for students with a high impact grade.
这门课程是为成绩高的学生设计的。
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3. The teacher gave the class a high impact grade for their excellent work.
老师给全班同学一个高分，因为他们的工作非常出色。