名词
中文翻译：粉笔板
同义词：
['blackboard', 'whiteboard']
例句：
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1.The teacher uses a chalk board to explain complex concepts.
老师使用粉笔板来解释复杂的概念。
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2. Students often use the blackboard to write down their notes.
学生们经常使用黑板来写下他们的笔记。
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3.The teacher demonstrated how to use the whiteboard effectively.
老师演示了如何有效地使用白板。