In audio-lingualism, there is no explicit grammar instruction.
在听说教学法中，教师不必解释文法。
Ghostly images flickered in and out. There was no audio except for a static hiss.
幽灵般的图像在屏幕上闪闪烁烁，但是，除了静电发出的沙沙声外，没有任何声音。
In order to explain the video-capture interface I will use the example of a camera that has no tuners or audio input.
为了更好的解释视频采集接口，我采用了一个没有接收机和没有音频输入的摄像头作例子。
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