录音重放

例句：

1. 1.She recorded the event on video for futurereference.
   她把事件录下来，以备将来参考。
2. 2. The record player is aclassic piece of technology.
   唱片机是一种经典的技术产品。
3. 3. He played the recording back tohimself.
   他把自己录的音放了一遍。