instant replay

1. (电视画面的)即时重播，慢镜头回放
   An instant replay is a repeated showing, usually in slow motion, of an event that has just been on television.

in BRIT, use 英国英语用 action replay

1. And then we're gonna look at the instant replay.
   接下来我们来看看即时回放。
2. Jankovic's soap opera dramatics and needless desperate instant replay challenges, were her downfall as the Serbian's actual tennis technique started to fade.
   扬科维奇的肥皂剧般的业余演出和没有必要的投注似的的挑战鹰眼，马上让她实际的网球技术开始暗淡了。
3. During the announcement of a planned smart-grid project in Miami, Cisco CEO John Chambers said: "This is an instant replay of the Internet."
   在有计划的智能电网项目在迈阿密宣布，思科公司首席执行官约翰钱伯斯说：“这是一个互联网的即时重播。”

noun

1. the immediate rebroadcast of some action (especially sports action) that has been recorded on videotape

   Synonym:    replayaction replay