But if he will drive right at it, his wagon wheels press the springs below the roadway, and the gate swings back to let him through.
但是如果我们向前走去，门上的机轮经了人体的推动，就会向左转动；
The Golden Gate Bridge had the longest (2) span in the world, at the time it was built. The suspended roadway stretches one thousand two hundred eighty meters between the bridge's two tall towers.
金门大桥建成之时是当时世界上最长的悬索桥，两个桥塔之间的悬空车道绵延1280米。
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