I reaquaint myself with the city by taking a one-hour trip by boat along the canal running through its centre.

我在市中心的运河上乘游船观光一小时，以便让自己重新认识这个城市。

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Public boat trips and canoeing are among the activities available in and around the canal, once an industrial artery that now runs through the center of the modern park.

在运河及周围水域的活动区里可以乘坐公共船只游览，也可以划独木舟。 这条运河曾是一条商业水道，现在它贯穿了公园的中心地带。

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They first were observed in a boat canal in 1834 and now are used in optical fiber communications.

它们在1834年在一条运河船中被观察到，现在被用于光纤通讯。

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