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and this I think only in the USA, New Orleans is the only other city that has cable cars.
并且在美国的其它城市中，除了新奥尔良市，没有第三个城市还有有线缆车了。
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You can see that if a was equal to g, your downward acceleration is that of gravity, namely the cable has snapped in the elevator, Then you don't feel any weight.
你会发现如果 a 等于 g,你下降的加速度就是重力加速度,也就是电梯的绳索断了,那时你会完全失重
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And when you go there, it's beautiful. You get on kind of a winding cable car that goes up the side of the cliff,
当你去那儿的时候，它很漂亮。有点像坐上了驶向绝壁一侧的蜿蜒盘旋的缆车，
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Well, like in any other major metropolitan city, you have buses, cable cars, cabs,
像其它一些大都市，你可以乘坐公共汽车，有线缆车，出租车，
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you know, like, paying bills and setting up cable, and you know, talking to doctors.
比如，支付账单，开通网络，还有去找医生看病。
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The cable cars, the Golden Gate Bridge, North Beach.
有轨电车、金门大桥，还有北滩。
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There are many cable cars in San Francisco. What are they here for?
旧金山有很多有线缆车。它们的用途是什么呢？
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Well, cable cars came before buses and cable cars came before cars.
有线缆车的使用比公共汽车和汽车都要早。
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that you had the cable cars go away.
有线缆车才开始逐渐被取代。
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You had cable cars going everywhere,
那时你可以搭乘有线缆车去你想去的任何地方。
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Other than using cable cars,
那除了有线缆车，
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