单词autocross
n.: 汽车越野赛网络: 综合技巧竞技；自动交叉；网线自交叉技术
汽车越野赛:
a form of motor racing in which cars are driven over rough ground
When the autocross, the black expression small vehicle gets bogged down having stopped;
汽车越野赛时，黑旗表示车子陷住了；