flatbed truck

基本解释

We played up on a flatbed truck, and they danced and mingled on the pavement.
我们在一辆平板卡车上演唱，大家则在人行道上跳舞、交际。
A crane hoists A-12 debris (right) onto a flatbed truck at the site of the 1963 A-12 crash in Utah.
一辆起重机在1963年美国犹他州A-12坠机现场将A-12碎片（右）吊起装载到平板卡车上。
There was a large flatbed truck out there and there were these people on this truck getting you-- trying to sell you audio equipment, and they had a big banner up there.
那儿有一个大平板卡车,有一群人在车上,正试图向你推销音响,他们还有个巨大的横幅

So then to encourage you to "Pump up your room" they had music playing and this is the kind of music that they had on that flatbed truck.
然后还鼓动你去"律动你的房间",他们还放着音乐,这就是他们在那辆卡车上播放的音乐类型
耶鲁公开课 - 聆听音乐课程节选
There was a large flatbed truck out there and there were these people on this truck getting you-- trying to sell you audio equipment, and they had a big banner up there.
那儿有一个大平板卡车,有一群人在车上,正试图向你推销音响,他们还有个巨大的横幅
耶鲁公开课 - 聆听音乐课程节选

It was on a flatbed truck, and people came and gathered around it and they touched it like it was a holy icon.
NPR: Conservative Christianity and America's Culture Wars
Over the next several hours, a crowd of about a hundred Rawesome members gathered to watch as agents loaded produce onto a flatbed truck.
NEWYORKER: Raw Deal

A flatbed or a flatbed truck is a truck that has a long flat platform with no sides.