No, rowspan always works “downwards”. HTML 4 does not explicitly say this, but it is definitely implied, and there is no way to change it. ... <看更多>

Have a table with rowspan/colspan and missing cell in next row: ... There is no cell because it is occupied by rowspan --> <td>test</td> ... ... <看更多>

You could use the multirow package to organize the cell in the north-west corner of the table, and the tabularx package to automatically generate four ... ... <看更多>