treble

1. (使)增加两倍;(使)成为三倍
If something trebles or if you treble it, it becomes three times greater in number or amount than it was.

e.g. They will have to pay much more when rents treble in January...
一月份房租增加两倍时，他们将被迫多付不少钱。
e.g. The city has trebled the number of its prisoners to 21,000.
该市的囚犯人数增长了两倍，达到 21,000 人。

2. 是…的三倍
If one thing is treble the size or amount of another thing, it is three times greater in size or amount.

e.g. More than 7 million shares changed hands, treble the normal daily average.
有 700 多万股换手，是通常日平均成交量的 3 倍。

3. 男童高音；唱高音的男童声歌手
A treble is a boy with a very high singing voice.

4. 三连胜
In sport, a treble is three successes one after the other, for example winning three horse races on the same day, or winning three competitions in the same season.

e.g. The win completed a treble for them – they already claimed a league and cup double this year.
此役获胜成就了他们的三冠王——此前他们已经拿下了今年的联赛和杯赛双料冠军。

1. 高音调节：功能调节 音量调节(VOLUME)、电源开关(ON/OFF)高音调节(TREBLE)功能调节:音量调节(VOLUME)、电源开关(ON/OFF)高音调节(TREBLE)

2. 高音,三倍的,三重的：Transversal equalizers 横向均衡器 | Treble 高音,三倍的,三重的 | Tremold tremor 颤音