名词
中文翻译：红板
同义词：
['blackboard', 'whiteboard']
例句：
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1.The teacher uses a red board to explain the lesson.
老师用一块红板来解释课程内容。
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2. The student needs to write on the red board before class starts.
学生需要在上课前在红板上写字。
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3. The teacher moved the red board to the front of the classroom.
老师把红板移到教室前面。