vroom

• 拟声词，指发动机（尤指高速运转时）发出的轰鸣声；也泛指引擎的低声咆哮或加速时发出的噪音。

A noun referring to the roaring sound produced by a motor, especially an engine running at high speed.

不可数

1. Engine soundA2informal

   The loud, deep, roaring sound produced by a motor, especially a car or motorcycle engine running at high speed.

   引擎轰鸣声

   • The vroom of the motorcycle echoed through the street.
   • He loves the vroom of a powerful engine.
   • The car's vroom could be heard from blocks away.

   同义词growlrevroarrumble

• 拟声词或动词，描述发动机（尤指车辆）发出轰鸣声或加速时轰鸣作响，常用于非正式或拟声语境。

A verb used to describe the sound or action of a vehicle engine running or revving loudly, often used informally or onomatopoeically.

1. Make a roaring engine soundA2informal

   To produce a loud, deep, roaring sound, typically imitating a car or motorcycle engine while moving.

   轰鸣

   • The motorcycle vroomed down the empty street.
   • He loves to vroom his car's engine at the traffic light.
   • The race cars vroomed past the finish line.

   同义词growlrevroarrumblethunder