n.（车辆或人因积聚或相接而造成的）混乱状况；连环相撞；（货物等）积压

Example: The ski slopes were packed with people, creating a major pileup.
释义：滑雪道上挤满了人，造成了严重的堵车。
Example: The server crashed under the weight of too many simultaneous connections, causing a pileup of requests that couldn't be processed.
释义：服务器在同时连接过多的情况下崩溃了，导致无法处理的请求堆积起来。
Example: The freeway was closed due to a pileup caused by foggy conditions and slippery roads.
释义：由于雾天和湿滑的道路造成的堵车，高速公路关闭了。
Example: The stock market experienced a pileup when news of the company's bankruptcy was announced.
释义：当宣布公司破产的消息时，股市经历了一次大崩盘。
Example: The emergency services were overwhelmed by the number of accidents caused by the pileup on the highway.
释义：紧急服务部门被高速公路上发生的事故数量所压垮。
Example: The parking lot was a pileup of cars, with no available spots left.
释义：停车场里挤满了汽车，没有空余的停车位。
Example: The pileup of tasks on my to-do list is overwhelming; I don't know where to start!
释义：我待办事项清单上的任务堆积如山，我不知道从何开始！
Example: The pileup of paperwork at the office is getting out of hand; we need to implement better organization strategies.
释义：办公室里的文件堆积如山，我们需要实施更好的组织策略。
Example: The pileup of emails in my inbox is driving me crazy; I can't keep up with all of them!
释义：我收件箱里的邮件堆积如山，我无法应对所有的邮件！
Example: The pileup of snow outside my house is so high that it's blocking my view!
释义：我家外面积雪堆积得如此之高，以至于挡住了我的视线！