- n. 呜呜声
- v. 发呜呜声
the roaring sound made by a motor that is running at high speed
make a loud, roaring sound, as of a car engine, while moving
- Vroom! Vroom! It's a motor boat.
- Put some extra vroom in your life.
Noisy as the pits..whence the vrooms and fumes waft up before exploding into eardrum and nostrils.出自：Punch