词典释义：
释义
v.
(of an engine in a vehicle)make a roaring sound by being run at very high speed
（机动车发动机高速运转时）呜呜叫。
[with obj.]cause (an engine in a vehicle) to make such a sound in this way
使（机动车发动机）发呜呜声。
[no obj., with adverbial of direction](of a vehicle or its driver)travel at great speed
（机动车或其司机）高速行驶
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she still had the car and she would vroom up at midnight .她仍拥有那部车，会午夜飙车。
n.
the roaring sound of an engine or motor vehicle
（发动机或机动车的）呜呜声。
excl.
used to express or imitate such a sound to suggest speed or acceleration
［用于模仿这种声音，表示速度或加速］呜
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press the ignition button and vroom! 按点火按钮，呜的一声加速！
类似拼写词
词源
" 1960s： imitative． "
