名词
中文翻译：删除者
同义词：
['eraser', 'erase', 'delete']
例句：
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1.The teacher asked the students to delete their homework from the board.
老师要求学生们从黑板上删除他们的家庭作业。
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2. The computer deleted all the files on the hard drive.
电脑删除了硬盘上的所有文件。
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3. The student deleted the incorrect answer and wrote down the correct one.
学生删除了错误的答案，写下正确的答案。