blacking up的中文意思、音标与词形变化

在高速公路上倒车，试图驶向已经错过的出口

The act of shifting a motor vehicle into reverse gear while on a highway in order to back up and to get onto an exit ramp one has already passed. This term comes from the New York Metro area, where Asians and Caucasians have conducted a nonscientific study by looking to see what the person taking this action looked like only to find that they are black at least 90% of the time. > "Look at this fucking guy blacking up on the highway..."