此方法有一个常见的用例,如下所述。说明下方的按钮使用示例值填充 API Explorer,或打开全屏 API Explorer 显示使用这些值的代码示例。如果您更改值,代码示例也会动态更新。

This example downloads the specified caption track. You must use the id parameter to specify a caption track ID for the code sample to work. The tfmt and tlang parameters are both optional and allow you to download a particular format or machine translation of the track, respectively.