<title>Bootstrap 实例 - 缩写</title>
<link rel="stylesheet" href="/css/bootstrap/bootstrap3.3.7.min.css">
<script src="/js/bootstrap/jquery.min.js"></script>
<script src="/js/bootstrap/bootstrap3.3.7.min.js"></script>
<abbr title="World Wide Web">WWW</abbr><br>
<abbr title="Real Simple Syndication" class="initialism">RSS</abbr>