1 ADJ [usually ADJ n] (广播、电视节目中的音乐、笑声、掌声)预先录制好的 Canned music, laughter, or applause on a television or radio programme has been recorded beforehand and is added to the programme to make it sound as if there is a live audience. (广播、电视节目中的音乐、笑声、掌声)预先录制好的

2See also:can