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词组 play back
释义 play back
  1. play back sth • play sth back to listen to or watch something that has recently been recorded on a tape:
   ▪ He got home about midnight and played back the messages on his answerphone.
   ▪ As part of your training, we will record you teaching a class and then play it back to you.
  2. play back • play back sth • play sth back if a machine plays back sound or pictures, it produces them when you operate it:
   ▪ VHS machines can record and play back at three different speeds.
    playback n U when a machine produces the sound or pictures that are recorded on a tape:
   ▪ This machine has very high quality video playback.
   ▪ the playback speed
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更新时间:2026/9/27 14:24:46