n.(难做的事)累积,(交通事故中)连环相撞,(积聚造成的车辆或人的)混乱
Eleven cars were involved in a pileup on the motorway.
有十一辆车在高速公路上相撞.
Stopping the car short caused a pileup on the superhighway.
这辆汽车突然刹车使高速公路上发生连环车祸.
Stopping the car short caused a pileup on the highway.
这辆汽车突然刹车使公路上的汽车排成长龙.