名词
中文翻译：等级标记
同义词：
['grading', 'grading standard']
例句：
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1. The teacher gave the students a grademark on their work.
老师对学生的作品给出了评分。
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2. The exam will have a grademark for each question.
考试将每个问题都有一个评分标准。
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3.The company uses a grademark system to evaluate employees' performance.
公司使用一个评分标准来评估员工的表现。