abbr.录像机（=Video Cassette Recorder）
abbr.可变压缩比（=Variable Compression Ratio）
Oh, no! Are they coming over again just so they can watch my vcr? 噢，糟了。他们是不是又冲着我的录像带而来？
Otherwise the video can be connected through the VCR first and then out to the monitor. 视频也可以先通过VCR连接，然后输出到监视器上。
It is not possible to play back a tape on the vcr in this configuration, since there is no audio input for the vcr. 在这种配置中，不可能在VCR上播放盒带，因为VCR上没有音频输入。
