equalizer

They see education as a great equalizer.

他们认为教育是促成平等的重要因素。

He scored an equalizer during the closing minutes of the game.

在比赛的最后几分钟里他进球将比分扳平。

Stereos typically have adjustable equalizers that boost or cut bass or treble frequencies.

立体声音响通常带有可调均衡器，可以加强或降低低音或高音的频率。