latex 红色下划线

在LaTeX中，要实现红色下划线，您可以使用包含`\usepackage{ulem}`的LaTeX文档，并使用`\textcolor{red}{\uline{文本}}`命令来给文本添加红色下划线。具体代码如下所示：

\documentclass{article}
\usepackage{ulem}
\usepackage{xcolor}

\begin{document}
\textcolor{red}{\uline{红色下划线}}
\end{document}

运行此代码将在生成的PDF文档中显示红色下划线。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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