词典释义：
释义
n.
a hinged flap at the back of a lorry or truck which may be lowered or removed when loading or unloading the vehicle
（卡车，货车的）后挡板，后拦板。
the door at the back of an estate or hatchback car
（旅行车或小客车的）仓门式后门。
[as modifier]
〈北美〉 车尾餐
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a tailgate picnic .车尾野餐。
[as modifier]denoting a style of jazz trombone playing characterized by improvisation in the manner of the early New Orleans musicians
新奥尔良式长号吹奏风格（以早期新奥尔良乐手即兴演奏方式为特征的爵士乐长号演奏风格）。
v.
〈非 正式，主美〉 紧随前面车辆行驶
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[with obj.]
he started tailgating the motorist in front 他开始紧随前面开车的那个人
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[no obj.]
drivers who will tailgate at 90 mph .会以时速９０英里驱车紧随的司机。