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黑板的英文是 blackboard。黑板的来源可以追溯到古希腊时期。古希腊学者们使用一种叫做 "布莱克板" 的工具来记录笔记和信息。这种工具是由黑色的石头或金属制成的板子，并且能够被白色的粉笔或铅笔写在上面。在这种工具的基础上，人们发明了由
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