Zotero Connector - Browser extension for Zotero, a tool to help you collect,
The experience is calm and thoughtfully crafted, with hand-drawn animations and gentle sound design. It works offline, which makes it especially helpful for travel days or long car rides. And because it’s ad-free and COPPA-certified, parents don’t have to worry about surprise pop-ups or in-app purchase pressure.
。PDF资料是该领域的重要参考
「除了名山大川，最火的就是古城了」春节爆火的古城们像是一座座沉浸式主题乐园。
ScienceCast (What is ScienceCast?)