我有一张表格，这是作为 MWE 附加的示例。我可以一次显示一行。我想知道在展示完上面的行之后，是否可以淡出上面的行。我找不到任何帖子表明这是可能的，但如果可以的话，我将不胜感激。注意：我的文档还包含图形（不在表格中）。这就是为什么加载了其他与此 MWE 无关的包的原因。谢谢
\documentclass{beamer}
\mode<presentation> {
\usepackage[font=Times,timeinterval=10, timeduration=2.0, timedeath=0, fillcolorwarningsecond=white!60!yellow, timewarningfirst=50,timewarningsecond=80,resetatpages=2]{tdclock}
}
\usetheme{Madrid}
\setbeamertemplate{enumerate mini template}{\insertenumlabel}
\setbeamercovered{invisible}
\setbeamercovered{%
again covered={\opaqueness<1->{15}}}
\usepackage{graphicx} % Allows including images
\usepackage{caption}
\usepackage[caption=false]{subfig}
\usepackage{booktabs} % Allows the use of \toprule, \midrule and \bottomrule in tables
\usepackage[T1]{fontenc}
\usepackage{lmodern}
\usepackage{pbox}
\usepackage[]{mathabx}
\usepackage{multicol}
\usepackage{shapepar}
\usepackage{tikz}
\usetikzlibrary{shapes.geometric}
\newcommand\circlenodetext[3]{\node [draw, shape=circle, text width=0cm, inner sep=2mm] at (#1,#2) {\shapepar{\circleshape} #3\par};}
\newcommand\squarenodetext[3]{\node [draw, regular polygon, regular polygon sides=4, text width=0cm, inner sep=0mm] at (#1,#2) {\shapepar{\squareshape} #3\par};}
\newcommand\diamondnodetext[3]{\node [draw, shape=diamond, text width=0cm, inner sep=2mm] at (#1,#2) {\shapepar{\diamondshape} #3\par};}
\newcommand\rectanglenodetext[3]{\node [draw, regular polygon, regular polygon sides=4, text width=0cm, inner sep=2mm] at (#1,#2) {\shapepar{\rectangleshape} #3\par};}
\newcounter{sauvegardeenumi}
\newcommand{\asuivre}{\setcounter{sauvegardeenumi}{\theenumi}}
\newcommand{\suite}{\setcounter{enumi}{\thesauvegardeenumi}}
\setbeamertemplate{caption}{\raggedright\insertcaption\par}
\title[short title]{full title}
\author{myself}
\institute[]{where am from.\\
\medskip
\textit{my meail}
}
\date{\today}
\begin{document}
\begin{frame}
\titlepage % to print the title page as the first slide
\end{frame}
\begin{frame}
\begin{tabular}[H]{|p{2.2cm} |p{2.6cm} |p{3.0cm} |p{2.2cm}|}
\toprule
\textbf{header1} & \textbf{header2} & \textbf{header3} & \textbf{header4}\\ \hline
\pbox{10cm}{first of first\\ second of first} & \pbox{10cm}{first of second\\ second of second} & \pbox{10cm}{first of third\\ second of third} & \color{black}\pbox{10cm}{first of fourth\\ second of fourth}\\ \hline\onslide<2->
\pause
\pbox{10cm}{first of second\\ second of second} & \pbox{10cm}{third of second\\ second of second} & \pbox{10cm}{first of third\\ second of third} & \color{black}\pbox{10cm}{first of fourth\\ second of fourth}\\ \hline
\bottomrule
\end{tabular}
\end{frame}
\end{document}