动词短语
中文翻译：擦干净
同义词：
['cleanse', 'erase', 'wash away']
例句：
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1.After the meeting, we wiped the slate clean and started planning for the next project.
会议结束后，我们擦干净了黑板，开始为下一个项目做计划。
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2.The teacher wiped the slate clean to make sure all students understood the lesson.
老师擦干净了黑板，确保所有学生都理解了课程内容。
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3. The writer used a brush to wipe the slate clean before drawing his final conclusion.
作家用刷子擦干净了黑板，然后画下了他的结论。