voice-o·ver
noun/ˈvɔɪs əʊvə(r)/
/ˈvɔɪs əʊvər/
- information or comments in a film, television programme, etc. that are given by a person who is not seen on the screen
（电影或电视节目的）解说，画外音 - She earns a lot of money doing voice-overs for TV commercials.
她为电视广告配音收入很高。
- She earns a lot of money doing voice-overs for TV commercials.