使用正确的 HTML 属性使第二个 TH 元素跨越两行。
<table>
<tr>
<th>Name</th>
<td>Jill Smith</td>
</tr>
<tr>
<th @(11)>Phone</th>
<td>555-77854</td>
</tr>
<tr>
<td>555-77854</td>
</tr>
</table>
<table>
<tr>
<th>Name</th>
<td>Jill Smith</td>
</tr>
<tr>
<th rowspan="2">Phone</th>
<td>555-77854</td>
</tr>
<tr>
<td>555-77854</td>
</tr>
</table>
<table>
<tr>
<th>Name</th>
<td>Jill Smith</td>
</tr>
<tr>
<th rowspan='2'>Phone</th>
<td>555-77854</td>
</tr>
<tr>
<td>555-77854</td>
</tr>
</table>