Vrooming
v. （赛车等加大油门高速行驶时发出的）呜呜声( vroom的现在分词 )
🗣️ 情景例句
The little boy held his mother's hand firmly when crossing the street.
那小男孩过马路时紧抓着母亲的手。
To operate a steam locomotive
驾驶蒸汽机车
Have you got it?
明白了吗？