“板擦”的英语？

我的老师用板擦将他写在黑板上的东西擦掉.My teacher erased what she wrote on the blackboard with an eraser.板擦在哪儿?Where is the duster?多功能板擦:多种擦板方式, 使教师书写更自由轻松.Edit function It has many erasing modes, making the's writing free and easy al...