柯林斯词典pile-up /ˈpaɪlʌp/ (pile-ups) 1. N-COUNT A pile-up is a road accident in which a lot of vehicles crash into each other. 连环撞车事故 ...a 54-car pile-up. ...五十四辆车连环撞的一场事故。 返回 pile-up剑桥词典a traffic accident involving several vehicles that hit each other 多车相撞，连环撞车 返回 pile-up