n.（赛车等加大油门高速行驶时发出的）呜呜声；v.发呜呜声； 变形： 复数：vrooms过去式：vroomed过去分词：vroomed现在分词：vrooming第三人称单数：vrooms 英英释义： vroom[ vru:m ]n.the roaring sound made by a motor that is running at high speedv.make a loud, roaring sound, as of a car engine, while moving