<p style="font-size: 12px;color:#aaa;">版权引用：<a href="https://www.pexels.com/photo/american-black-bear-ursus-americanus-in-the-forest-during-early-summer-12755774/"><span style="font-size: 12px;color:black;">“American black bear (Ursus americanus) in the forest during early summer.”</span> </a>由 <a href="https://www.pexels.com/@aaron-j-hill-3434251"><span style="font-size: 12px;color:black;">Aaron J Hill</span></a> 授权许可 <span><a href="https://www.pexels.com/photo-license/" target="_blank" style="font-size: 12px;color:black;">Pexels License<img src="" style="display: inline-block;height: 16px;width: auto;"></a></span></p>