圖像來源，SOPA Images/LightRocket via Getty Images
'loadedmetadata',
，这一点在夫子中也有详细论述
His thesis at the Navy Academy was in the unheard-of topic of liquid-fuel engines. After graduation, he hoped to specialise in this pioneering new technology.
使用 npm 全局安装最新版：
3. 行政辅助：处理文件整理、预约协调等文书工作，帮医院行政部门减负，让医护人员能专注于治病。