curviest

They also drove across the Golden Gate Bridge and down San Francisco's Lombard Street, one of the steepest and curviest roads in the world.

他们也曾穿过金门大桥，沿旧金山朗伯德街行驶，这条街是世界上最陡最弯曲的街道之一。

One even drove itself down Lombard Street in San Francisco, one of the steepest and curviest streets in the nation.

有一辆甚至自动行驶在旧金山这条全国最陡最曲折的伦巴帝街上。