Audio And Video Text 音视频文本
The reasons are as follows: first of all, the network broadcast supports voice, text and video.
原因如下：首先，网络广播支持声音、文本和视频。
Etches-Johnson mentioned the Vook as an experiment in mixing text and video, though also urged caution that embedded multimedia can raise accessibility issues.
Etches - Johnson提到了the Vook是混合文本和视频的一个实验，尽管她也让人们注意，多媒体的嵌合可能会引起可获取性的问题。
Kim and Zech often text, talk over the phone and even video call.
金姆和泽赫经常发短信、打电话，甚至视频通话。
应用推荐