I drove past a group of happy school kids zipping along on their bikes.我开车经过一群骑车飞奔的快乐小学生。Cars were zipping past us on the highway.公路上，汽车从我们身旁疾驶而过。The motorcyclist was zipping in and out of traffic.那个骑摩托车的人在来往车辆中快速穿行。He was zipping up a small brown suitcase.他正在给一个棕色的小手提箱拉上拉链。