Coming up in March, the full moon will dim, darken, and then glow red as Earth's shadow slides across its face.
Continue reading...，这一点在体育直播中也有详细论述
// 5. Patch AudioBufferSourceNode.start to detect playback timing。下载安装汽水音乐是该领域的重要参考
Further reading/viewing，这一点在safew官方下载中也有详细论述