名词
中文翻译：边注
同义词：
['sub-note', 'supplementary note', 'footnote']
例句：
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1.In the report, there are several sidenotes explaining the background information.
在报告中，有几个边注解释了背景信息。
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2.The teacher added a sidenote to the lesson plan to provide additional guidance.
老师在教案中添加了一个边注以提供额外的指导。
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3.The research paper includes a series of sidenotes that provide context for the main arguments.
研究报告包含了一系列边注，这些边注为主要论点提供了背景。