brum brum
模仿汽车的噪音表示对车辆的兴趣或喜爱
儿童口语·模仿汽车声音
英文释义
the sound of a car engine revving
例句
The little boy ran around the yard going 'brum brum' with his toy car.
典故来源
拟声词，模仿汽车引擎声，儿童语言中常见，用于表达对车辆的兴趣。