旁人又问：“在什么地方丢的？”回答说：“在刚渡海的时候。”

People went on, "Where did you lose it?" He answered, "I lost it crossing the sea. "

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敌人在克服了登船的困难以后，将仍然有调度这些船只并引导它们渡海的必要。

When the difficulties of embarkation have been surmounted, it will still be necessary to marshal these ships and bring them across the sea .

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到了20世纪时，蒸汽推进的技术越来越进步，你甚至可以搭着大型蒸汽船横渡海洋了。

Into the 20th century, steam propulsion became so advanced that you could ride a giant steamer across the ocean.

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