0:000:00
<p style="font-size:16px;color:#333333;line-height:30px;font-family:Helvetica,Arial,sans-serif;font-weight:normal;hyphens:auto" data-flag="normal" lang="en"><span>来点欢快的，你知道天津快板是什么音吗？收集有意思的旋律可以用于练习。</span></p><p style="font-size:16px;color:#333333;line-height:30px;font-family:Helvetica, Arial, sans-serif;font-weight:normal" data-flag="normal" lang="en"><img data-key="0" src="http://fdfs.xmcdn.com/group28/M0B/31/3F/wKgJXFkxQn3T_oJ2AACgv6BK3lw595_mobile_large.png" alt="" data-origin="http://fdfs.xmcdn.com/group28/M0B/31/3F/wKgJXFkxQn3T_oJ2AACgv6BK3lw595.png" data-large="http://fdfs.xmcdn.com/group28/M0B/31/3F/wKgJXFkxQn3T_oJ2AACgv6BK3lw595_mobile_large.png" data-large-width="750" data-large-height="562" data-preview="http://fdfs.xmcdn.com/group28/M0B/31/3F/wKgJXFkxQn3T_oJ2AACgv6BK3lw595_mobile_small.png" data-preview-width="140" data-preview-height="105" /></p><p data-flag="normal" lang="en" style="font-size:16px;color:#333333;line-height:30px;font-family:Helvetica,Arial,sans-serif;font-w...