颤音

1. 唧唧声一种如蟋蟀所发出的刺耳的颤音
   A harsh, trilling sound, such as that made by crickets.
2. 发带颤音的r，舌抬向上齿颤动而成。
   The trilled `r' is produced by vibrating the tongue against the upper teeth.
3. 颤音唱歌中的颤音，通常指过度的或控制不好的
   A vibrato in singing, often excessive or poorly controlled.
4. 这是个发颤音的字母。
   This is a letter with a trill.

颤的英语翻译：

音的英语翻译：