名词
中文翻译：Unknown
同义词：
['subnote', 'underscore', 'note under', 'underline', 'underline with a pen']
例句：
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1. The teacherunderlined the important points in the text for emphasis.
老师在文本中用笔划线强调重点。
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2. He underlined the sentence to indicate that it was his opinion.
他划了句子的横线以示这是他的观点。
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3.Underline the part of the text that needs clarification.
请在需要澄清的部分划线。