• 1. back-number: 过期的
• 2. back number: 守旧派 | 过期的杂志 | 过期刊物
• 3. a back number: 过期书刊 | 过期报纸

更多释义

• 1.After a number of mishaps she did manage to get back to Germany.
  发生了几次小的不幸之后，她设法回到了德国。
  dict.yoduao.com
• 2.If you are making a long distance call on a public telephone and run out of money, give the number on your phone to the person you're talking to. Then hang up the receiver and he can call you back.
  如果你用公共电话打长途，钱花光了，把你的电话号码给你正在通话的人，然后挂上电话，他会给你回电话的。
  dict.yoduao.com
• 3.We've been trying to get back to you, Tom, but we think we took your number down incorrectly.
  我们一直试着给你回复，汤姆，但我们觉得我们记错了你的号码。
  dict.yoduao.com

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