第三人称复数：push bikes
1. 脚踏车：push-and-go 有进取心的 | push-bike 脚踏车 | push-button 按钮
2. 脚踏车 (英国)：Motorized Bicycle 摩托车 | Push-Bike 脚踏车 (英国) | Quadruplet 四人骑的脚踏车
1. She saw a little girl struggling to push a bike up to an overpass and stepped forward to give her a hand.