Okay, so that's no rock pictures adjective forming suffix, it's a describer.

好的， 所以这滚图片形容词形成后缀，它一个描述。

That is Alejandra Ospina, who is our audio describer, and who describes all stage actions and stage pictures and movement and projections.

这亚历杭德拉·奥斯皮，我们的音频描述者，描述了所有的舞台动作、舞台画面、运动和投影。