tremolo

音标发音

We'll hear the tremolo and then the trumpet.
我们会先听到碎弓,然后是小号
I guess the first thing about speed my readers of the 'Tremolo'-article would be curious about is the one sentence "Do not practice speed".
我想第一件关于速度的问题应该是读了我“颤音”这篇文章的读者好奇为什么上面说“不要练习速度”。
The Strat’s spring-loaded tremolo system, which could alter the pitch of all six strings at once, may have caused the to guitar to go out of tune a little, but you rarely saw one break.
琴弦上装备的颤音系统，可以同时改变六条弦的音高，尽管会让吉他稍微跑调，但很少会发生一次中断。

We've got lots of things going on here this morning so just play a scale quickly and then vibrato, pizzicato and tremolo for us.
我们今早的内容比较多,所以请快速为我们演奏一下音阶,揉弦,拨奏和碎弓
耶鲁公开课 - 聆听音乐课程节选
We'll hear the tremolo and then the trumpet.
我们会先听到碎弓,然后是小号
耶鲁公开课 - 聆听音乐课程节选
Sure. Okay, and then finally tremolo.
很好,最后是碎弓
耶鲁公开课 - 聆听音乐课程节选

That pickup is run though a variety of effects — pedal distortion, warm-sounding tube preamplifiers, analog delays, even a tremolo.
NPR: Marco Benevento: Jazz Not Jazz

when singing or playing an instrument, a shaking sound that is achieved by repeating the same note extremely quickly or by playing two notes very quickly, one after the other

If someone's singing or speaking voice has a tremolo in it, it moves up and down instead of staying on the same note.