pile-up

n crash involving several vehicles 几辆车相撞: The thick fog has caused several bad pile-ups on the motorway. 因大雾弥漫, 高速公路上发生了几起严重的连环撞车事故.

pigheaded, pigheadedly, pigheadedness, piglet, pigment, pigmentation, pigmy, pigskin, pigsty, pigswill, pigtail, pike, pikestaff, pilaff, pilaster, Pilatus Porter, pilchard, pile, pile up, pile-driver, piles, pilfer, pilferage, pilferer, pilgrim, pilgrimage, pill, pillage, pillar, pillar-box, pillbox, pillion, pillory, pillow, pillow-fight, pillowcase (also `pillowslip), pilot, Pilot Officer, pilot-boat, pilot-fish,