swiftly

ad. 很快地,即刻

At a rapid pace; swiftly.

飞快地；迅速地

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