动词
中文翻译：划线
同义词：
['mark', 'draw a line through', 'highlight']
例句：
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1. He marked the important points on the board with a marker.
他用标记笔在黑板上划出了重点。
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2. The teacher drew a line through the incorrect answers.
老师用红笔划掉了错误的答案。
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3. She highlighted the key points in her presentation.
她在演讲中突出了关键点。