abbr.錄像機（=Video Cassette Recorder）

abbr.可變壓縮比（=Variable Compression Ratio）

Oh, no! Are they coming over again just so they can watch my vcr? 噢，糟了。他們是不是又沖著我的錄像帶而來？

Otherwise the video can be connected through the VCR first and then out to the monitor. 視頻也可以先通過VCR連接，然后輸出到監(jiān)視器上。

It is not possible to play back a tape on the vcr in this configuration, since there is no audio input for the vcr. 在這種配置中，不可能在VCR上播放盒帶，因為VCR上沒有音頻輸入。