A brief high-pitched humming or buzzing sound, such as that made by a swiftly passing object or a taut vibrating string.
尖啸声一种短暂尖锐的嗡嗡声或滋滋声, 例如高速运动的物体和拉紧的震颤的线发出的声音
The trilled `r' is produced by vibrating the tongue against the upper teeth.
发带颤音的r, 舌抬向上齿颤动而成.
The act of vibrating.
振动振动的行为
