1，上下显示
<dl>
<dt>Description lists</dt>
<dd>A description list is perfect for defining terms.</dd>
</dl>
2，左右显示(.dl-horizontal)
<dl class="dl-horizontal">
<dt>Description lists</dt>
<dd>A description list is perfect for defining terms.</dd>
</dl>
原文：http://www.cnblogs.com/xiaoyunyun/p/4891718.html