It is 776 km long, flowing through Paris and into the English Channel.

塞纳河长776千米，流经巴黎市，注入英吉利海峡。

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They are swimming from the English Channel into the North Sea.

他们正从英吉利海峡游入北海。

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They are swimming from the English Channel into the North Sea.

他们正从英吉利海峡游入北海。

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