我有这样的HTML:
<table width="600" border="0" cellspacing="0" cellpadding="3">
<tr>
<td width="25%" align="center">milk</td>
<td width="25%" align="center"><b>blue</b></td>
<td width="25%" align="center">blind</td>
<td width="25%" align="center"><b>perpetual</b></td>
</tr>
<tr>
<td width="25%" align="center">juice</td>
<td width="25%" align="center">jungle</td>
<td width="25%" align="center">cleaner</td>
<td width="25%" align="center">tiny</td>
</tr>
<tr>
<td width="25%" align="center">lemon</td>
<td width="25%" align="center">vitamin</td>
<td width="25%" align="center"><b>unheard</b></td>
<td width="25%" align="center">empty</td>
</tr>
<tr>
<td width="25%" align="center"><b>awesome</b></td>
<td width="25%" align="center">pink</td>
<td width="25%" align="center">grilled</td>
<td width="25%" align="center">mirror</td>
</tr>
<tr>
<td width="25%" align="center"><b>hungry</b></td>
<td width="25%" align="center">opening</td>
<td width="25%" align="center">darkness</td>
<td width="25%" align="center">apply</td>
</tr>
<tr>
<td width="25%" align="center">burden</td> …Run Code Online (Sandbox Code Playgroud)