名词
中文翻译：文件标记
同义词：
['folder mark', 'folder marker']
例句：
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1.The computer has a file mark on it that indicates the last saved file.
这台电脑上有一个文件标记，表示最后一次保存的文件。
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2.The folder marked "Important" contains all the documents related to the project.
标记为“重要”的文件夹里包含了与该项目相关的所有文件。
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3. When she was filing her taxes, she realized she had forgotten some important documents.
当她在整理税务时，她意识到她忘记了一些重要的文件。