名词中文翻译
中文翻译：大黑板
同义词：
['large board', 'big blackboard']
例句：
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1.The teacher uses a big board to explain difficult concepts.
老师使用一个大黑板来解释复杂的概念。
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2.The students are using the big board to practice their math problems.
学生们正在用大黑板练习他们的数学问题。
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3. The big board is covered in colorful markers and diagrams.
大黑板上涂满了彩色的标记和图表。