<p style="font-size: 12px;color:#aaa;">版权引用：<a href="https://pikwizard.com/photo/view-of-a-surface-tension-demonstration-using-water-that-is-being-held-in-place-by-a-50mm-metal-loop/803ce3d4693b5cc49baeb8dcd794f25e"><span style="font-size: 12px;color:black;">“View of a surface tension demonstration using water that is being held in place by a 50mm metal loop”</span> </a>由 <a href=""><span style="font-size: 12px;color:black;">nasa</span></a> 授权许可 <span><a href="https://pikwizard.com/cc0-license" target="_blank" style="font-size: 12px;color:black;">CC0 1.0 Universal Public Domain Dedication<img src="" style="display: inline-block;height: 16px;width: auto;"></a></span></p>