自行车踏板应该遵守，以确保他们安全的地方。
The bike pedals should be observed to be sure that they are securely in place.
一个苏打水罐在自行车踏板下滚动就可以引发一场意外。
Accidents can occur while driving because a soda can rolled under the brake pedal.
三个男孩伏在一个颠倒的山地自行车踏板转回去，旋转。
Three boys lean over an upside-down mountain bike, turn the pedal back, spin it.
应用推荐