My mom took a deep breath and pushed down on the top pedal just the way I'd shown her. Slowly the bicycle rolled forward, picking up speed as it coasted down the hill.

我往车后退了两步，妈妈深呼了一口气，将踏板踩到底部，就像我刚才教她的一样，慢慢地，自行车往前滚动了，沿着山坡往下，车的速度越来越快，前轮开始快速地晃动。

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Tony smashed the gas pedal, the van shot forward, and Jack was jolted back in his seat by the abrupt acceleration.

托尼猛踩油门，维修车一下蹿了出去，突然的加速让杰克的身体紧贴在椅背上。

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If I am going to buy a car, I'm going to assume they all have wheels that rotate forward and backward on demand and they have a steering wheel, a gas pedal, and a brake pedal that work.

如果我要买车，我会假设它们全部都有符合要求的前后轮、方向盘、油门和刹车。

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Which allows me to back pedal if you are upset, or push forward if you are less upset than I thought you would be.

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Just push the throttle forward, keeping the nose wheel on the centerline with rudder-pedal steering.

FORBES: Magazine Article